Gahnite-Hercynite Series

Hercynite

Laacher See Volcanic Complex, Germany

Gahnite, etc.

Franklin, Sussex County, New Jersey, USA

Gahnite

Santa Marina Mine, Galiñeiro Complex, Vincios, Gondomar, Pontevedra, Galicia, Spain

Hercynite

Laacher See Volcanic Complex, Germany

Gahnite, etc.

Franklin, Sussex County, New Jersey, USA

Gahnite

Santa Marina Mine, Galiñeiro Complex, Vincios, Gondomar, Pontevedra, Galicia, Spain

Hercynite

Laacher See Volcanic Complex, Germany

Gahnite, etc.

Franklin, Sussex County, New Jersey, USA

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Data courtesy of the American Mineralogist Crystal Structure Database. Click on an AMCSD ID to view structure

ID	Species	Reference	Link	Year	Locality	Pressure (GPa)	Temp (K)
0020411	Gahnite	Fregola R A, Skogby H, Bosi F, D'Ippolito V, Andreozzi G B, Halenius U (2014) Optical absorption spectroscopy study of the causes for color variations in natural Fe-bearing gahnite: Insights from iron valency and site distribution data American Mineralogist 99 2187-2195		2014	Migiandone mine, Val d'Ossola, Italy	0	293
0020410	Gahnite	Fregola R A, Skogby H, Bosi F, D'Ippolito V, Andreozzi G B, Halenius U (2014) Optical absorption spectroscopy study of the causes for color variations in natural Fe-bearing gahnite: Insights from iron valency and site distribution data American Mineralogist 99 2187-2195		2014	Migiandone mine, Val d'Ossola, Italy	0	293
0020409	Gahnite	Fregola R A, Skogby H, Bosi F, D'Ippolito V, Andreozzi G B, Halenius U (2014) Optical absorption spectroscopy study of the causes for color variations in natural Fe-bearing gahnite: Insights from iron valency and site distribution data American Mineralogist 99 2187-2195		2014	Jemaa, Kaduna, Nigeria	0	293
0020408	Gahnite	Fregola R A, Skogby H, Bosi F, D'Ippolito V, Andreozzi G B, Halenius U (2014) Optical absorption spectroscopy study of the causes for color variations in natural Fe-bearing gahnite: Insights from iron valency and site distribution data American Mineralogist 99 2187-2195		2014	Jemaa, Kaduna, Nigeria	0	293
0020092	Gahnite	Halenius U, Bosi F (2014) Color of Mn-bearing gahnite: A first example of electronic transitions in heterovalent exchange coupled IVMn2+-VIMn3+ pairs in minerals. American Mineralogist 99 261-266		2014	Kittelgruvan, Nordmark, Varmland, Sweden	0	293
0019968	Gahnite	D'Ippolito V, Andreozzi G B, Bosi F, Halenius U, Mantovani L, Bersani D, Fregola R A (2013) Crystallographic and spectroscopic characterization of a natural Zn-rich spinel approaching the endmember gahnite (ZnAl2O4) composition Mineralogical Magazine 77 2941-2953		2013	Jemaa, Kaduna State, Nigeria	0	293
0019261	Gahnite	Ardit M, Cruciani G, Dondi M (2012) Structural relaxation in tetrahedrally coordinated Co2+ along the gahnite-Co-aluminate spinel solid solution American Mineralogist 97 1394-1401		2012	synthetic	0	293
0019260	Gahnite	Ardit M, Cruciani G, Dondi M (2012) Structural relaxation in tetrahedrally coordinated Co2+ along the gahnite-Co-aluminate spinel solid solution American Mineralogist 97 1394-1401		2012	synthetic	0	293
0019259	Gahnite	Ardit M, Cruciani G, Dondi M (2012) Structural relaxation in tetrahedrally coordinated Co2+ along the gahnite-Co-aluminate spinel solid solution American Mineralogist 97 1394-1401		2012	synthetic	0	293
0004923	Hercynite	Lavina B, Cesare B, Alvarez-Valero A M, Uchida H, Downs R T, Koneva A, Dera P (2009) Closure temperatures of intracrystalline ordering in anatectic and metamorphic hercynite, Fe2+Al2O4 American Mineralogist 94 657-665		2009	the Anga metamorphic complex, Lake Baikal, Russia	0	293
0004922	Hercynite	Lavina B, Cesare B, Alvarez-Valero A M, Uchida H, Downs R T, Koneva A, Dera P (2009) Closure temperatures of intracrystalline ordering in anatectic and metamorphic hercynite, Fe2+Al2O4 American Mineralogist 94 657-665		2009	the Anga metamorphic complex, Lake Baikal, Russia	0	293
0004921	Hercynite	Lavina B, Cesare B, Alvarez-Valero A M, Uchida H, Downs R T, Koneva A, Dera P (2009) Closure temperatures of intracrystalline ordering in anatectic and metamorphic hercynite, Fe2+Al2O4 American Mineralogist 94 657-665		2009	El Hoyazo, lavas of the Neogene Volcanic Province of SE Spain	0	293
0004920	Hercynite	Lavina B, Cesare B, Alvarez-Valero A M, Uchida H, Downs R T, Koneva A, Dera P (2009) Closure temperatures of intracrystalline ordering in anatectic and metamorphic hercynite, Fe2+Al2O4 American Mineralogist 94 657-665		2009	El Hoyazo, lavas of the Neogene Volcanic Province of SE Spain	0	293
0004919	Hercynite	Lavina B, Cesare B, Alvarez-Valero A M, Uchida H, Downs R T, Koneva A, Dera P (2009) Closure temperatures of intracrystalline ordering in anatectic and metamorphic hercynite, Fe2+Al2O4 American Mineralogist 94 657-665		2009	El Hoyazo, lavas of the Neogene Volcanic Province of SE Spain	0	293
0004918	Hercynite	Lavina B, Cesare B, Alvarez-Valero A M, Uchida H, Downs R T, Koneva A, Dera P (2009) Closure temperatures of intracrystalline ordering in anatectic and metamorphic hercynite, Fe2+Al2O4 American Mineralogist 94 657-665		2009	El Hoyazo, lavas of the Neogene Volcanic Province of SE Spain	0	293
0004917	Hercynite	Lavina B, Cesare B, Alvarez-Valero A M, Uchida H, Downs R T, Koneva A, Dera P (2009) Closure temperatures of intracrystalline ordering in anatectic and metamorphic hercynite, Fe2+Al2O4 American Mineralogist 94 657-665		2009	El Hoyazo, lavas of the Neogene Volcanic Province of SE Spain	0	293
0010609	Gahnite	Saalfeld H (1964) Strukturdaten von gahnit, ZnAl2O4 Zeitschrift fur Kristallographie 120 476-478		1964	Falun, Sweden	0	293
0012952	Hercynite	Verwey E J W, Heilmann E L (1947) Physical properties and cation arrangement of oxides with spinel structures Journal of Chemical Physics 15 174-180		1947	synthetic	0	293
0002031	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	298
0004944	Gahnite	Popovic J, Tkalcec E, Grzeta B, Kurajica S, Rakvin B (2009) Inverse spinel structure of Co-doped gahnite American Mineralogist 94 771-776		2009		0	293
0004943	Gahnite	Popovic J, Tkalcec E, Grzeta B, Kurajica S, Rakvin B (2009) Inverse spinel structure of Co-doped gahnite American Mineralogist 94 771-776		2009		0	293
0004942	Gahnite	Popovic J, Tkalcec E, Grzeta B, Kurajica S, Rakvin B (2009) Inverse spinel structure of Co-doped gahnite American Mineralogist 94 771-776		2009		0	293
0004941	Gahnite	Popovic J, Tkalcec E, Grzeta B, Kurajica S, Rakvin B (2009) Inverse spinel structure of Co-doped gahnite American Mineralogist 94 771-776		2009		0	293
0004940	Gahnite	Popovic J, Tkalcec E, Grzeta B, Kurajica S, Rakvin B (2009) Inverse spinel structure of Co-doped gahnite American Mineralogist 94 771-776		2009		0	293
0004939	Gahnite	Popovic J, Tkalcec E, Grzeta B, Kurajica S, Rakvin B (2009) Inverse spinel structure of Co-doped gahnite American Mineralogist 94 771-776		2009		0	293
0008938	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	293
0002882	Hercynite	Andreozzi G B, Lucchesi S (2002) Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction American Mineralogist 87 1113-1120		2002		0	293
0002881	Hercynite	Andreozzi G B, Lucchesi S (2002) Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction American Mineralogist 87 1113-1120		2002		0	293
0002880	Hercynite	Andreozzi G B, Lucchesi S (2002) Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction American Mineralogist 87 1113-1120		2002		0	293
0002879	Hercynite	Andreozzi G B, Lucchesi S (2002) Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction American Mineralogist 87 1113-1120		2002		0	293
0002878	Hercynite	Andreozzi G B, Lucchesi S (2002) Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction American Mineralogist 87 1113-1120		2002		0	293
0002877	Hercynite	Andreozzi G B, Lucchesi S (2002) Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction American Mineralogist 87 1113-1120		2002		0	293
0002876	Hercynite	Andreozzi G B, Lucchesi S (2002) Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction American Mineralogist 87 1113-1120		2002		0	293
0002875	Hercynite	Andreozzi G B, Lucchesi S (2002) Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction American Mineralogist 87 1113-1120		2002		0	293
0002874	Hercynite	Andreozzi G B, Lucchesi S (2002) Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction American Mineralogist 87 1113-1120		2002		0	293
0002873	Hercynite	Andreozzi G B, Lucchesi S (2002) Intersite distribution of Fe2+ and Mg in the spinel (sensu stricto) - hercynite series by single-crystal X-ray diffraction American Mineralogist 87 1113-1120		2002		0	293
0008602	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		0	293
0006862	Gahnite	Andreozzi G B, Lucchesi S, Skogby H, Della Giusta A (2001) Compositional dependence of cation distribution in some synthetic (Mg,Zn)(Al,Fe)2O4 spinels European Journal of Mineralogy 13 391-402		2001		0	293
0007897	Hercynite	Waerenborgh J C, Figueiredo M O, Cabral J M P, Pereira L C J (1994) Powder XRD structure refinements and 57Fe Mossbauer effect study of synthetic Zn1-xFexAl2O4 (o Physics and Chemistry of Minerals 21 460-468		1994		0	293
0007896	Hercynite	Waerenborgh J C, Figueiredo M O, Cabral J M P, Pereira L C J (1994) Powder XRD structure refinements and 57Fe Mossbauer effect study of synthetic Zn1-xFexAl2O4 (o Physics and Chemistry of Minerals 21 460-468		1994		0	293
0007893	Hercynite	Waerenborgh J C, Figueiredo M O, Cabral J M P, Pereira L C J (1994) Powder XRD structure refinements and 57Fe Mossbauer effect study of synthetic Zn1-xFexAl2O4 (o Physics and Chemistry of Minerals 21 460-468		1994		0	293
0007892	Hercynite	Waerenborgh J C, Figueiredo M O, Cabral J M P, Pereira L C J (1994) Powder XRD structure refinements and 57Fe Mossbauer effect study of synthetic Zn1-xFexAl2O4 (o Physics and Chemistry of Minerals 21 460-468		1994		0	293
0006527	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006526	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006525	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006524	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006523	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006522	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006521	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006520	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006519	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006518	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006517	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006516	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006515	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006514	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006513	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006512	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006511	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006510	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0006509	Hercynite	Larsson L, O'Neill H St C, Annersten H (1994) Crystal chemistry of synthetic hercynite (FeAl2O4) from XRD structural refinements and Mossbauer spectroscopy European Journal of Mineralogy 6 39-51		1994		0	293
0007895	Gahnite	Waerenborgh J C, Figueiredo M O, Cabral J M P, Pereira L C J (1994) Powder XRD structure refinements and 57Fe Mossbauer effect study of synthetic Zn1-xFexAl2O4 (o Physics and Chemistry of Minerals 21 460-468		1994		0	293
0007894	Gahnite	Waerenborgh J C, Figueiredo M O, Cabral J M P, Pereira L C J (1994) Powder XRD structure refinements and 57Fe Mossbauer effect study of synthetic Zn1-xFexAl2O4 (o Physics and Chemistry of Minerals 21 460-468		1994		0	293
0007891	Gahnite	Waerenborgh J C, Figueiredo M O, Cabral J M P, Pereira L C J (1994) Powder XRD structure refinements and 57Fe Mossbauer effect study of synthetic Zn1-xFexAl2O4 (o Physics and Chemistry of Minerals 21 460-468		1994		0	293
0007890	Gahnite	Waerenborgh J C, Figueiredo M O, Cabral J M P, Pereira L C J (1994) Powder XRD structure refinements and 57Fe Mossbauer effect study of synthetic Zn1-xFexAl2O4 (o Physics and Chemistry of Minerals 21 460-468		1994		0	293
0007852	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007851	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007850	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007849	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007848	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007844	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007843	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007842	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007841	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007840	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007839	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007838	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007837	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007836	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007835	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007812	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007811	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007810	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007809	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007808	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007807	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007806	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007805	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007804	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007803	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007798	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007797	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007796	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007795	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007794	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007793	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007792	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007791	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007790	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007789	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007788	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007787	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007786	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007785	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007784	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007783	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0007782	Gahnite	O'Neill H St C, Dollase W A (1994) Crystal structures and cation distributions in simple spinels from powder XRD structural refinements: MgCr2O4, ZnCr2O4, Fe3O4 and the temperature dependence of the cation distribution in ZnAl2O4 Physics and Chemistry of Minerals 20 541-555		1994		0	293
0000958	Hercynite	Hill R J (1984) X-ray powder diffraction profile refinement of synthetic hercynite inversion parameter = .163 American Mineralogist 69 937-942		1984		0	293
0017916	Gahnite	Passerini L (1930) Ricerche sugli Spinelli.- II. I composti. Cu Al2 O4, Mg Al2 O4, Mg Fe2 O4, Zn Al2 O4, Zn Cr2 O4, Zn Fe2 O4, Mn Fe2 O4 _cod_database_code 1011001 Gazzetta Chimica Italiana 60 389-399		1930		0	293
0002032	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	473
0002033	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	673
0002034	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	723
0008942	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	773
0008941	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	773
0008940	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	773
0008939	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	773
0002035	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	773
0002036	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	823
0008952	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	873
0008951	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	873
0008950	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	873
0008949	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	873
0008948	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	873
0008947	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	873
0008946	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	873
0008945	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	873
0008944	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	873
0008943	Hercynite	Lavina B, Princivalle F, Della Giusta A (2005) Controlled time-temperature oxidation reaction in a synthetic Mg-hercynite Spinel structure Physics and Chemistry of Minerals 32 83-88		2005		0	873
0002037	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	873
0002038	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	923
0002039	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	973
0002040	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	1023
0002041	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	1073
0002042	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	1123
0002043	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	1173
0002044	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	1223
0002045	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	1273
0002046	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	1323
0002047	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	1373
0002048	Hercynite	Harrison R J, Redfern S A T, O'Neill H St C (1998) The temperature dependence of the cation distribution in synthetic hercynite (FeAl2O4) from in-situ neutron structure refinements American Mineralogist 83 1092-1099		1998		0	1423
0008603	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		0.3	293
0008604	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		0.6	293
0008605	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		0.8	293
0008606	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		1.8	293
0008607	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		2.2	293
0008608	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		3.1	293
0008609	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		4.6	293
0008610	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		6.1	293
0008611	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		8.3	293
0008612	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		10.8	293
0008613	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		12.4	293
0008614	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		13.7	293
0008615	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		14.5	293
0008616	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		15.9	293
0008617	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		16.7	293
0008618	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		17.7	293
0008619	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		18.6	293
0008620	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		19.9	293
0008621	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		21	293
0008622	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		21.9	293
0008623	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		23.8	293
0008624	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		25.4	293
0008625	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		27.2	293
0008626	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		29.8	293
0008627	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		32.2	293
0008628	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		35.2	293
0008629	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		39.8	293
0008630	Gahnite	Levy D, Pavese A, Sani A, Pischedda V (2001) Structure and compressibility of synthetic ZnAl2O4 (gahnite) under high-pressure conditions, from synchrotron X-ray powder diffraction Physics and Chemistry of Minerals 28 612-618		2001		42.9	293

CIF Raw Data - click here to closedata_global _chemical_name_mineral 'Gahnite' loop_ _publ_author_name 'Fregola R A' 'Skogby H' 'Bosi F' 'D'Ippolito V' 'Andreozzi G B' 'Halenius U' _journal_name_full 'American Mineralogist' _journal_volume 99 _journal_year 2014 _journal_page_first 2187 _journal_page_last 2195 _publ_section_title ; Optical absorption spectroscopy study of the causes for color variations in natural Fe-bearing gahnite: Insights from iron valency and site distribution data Note: Sample Sp2781_6c ; _database_code_amcsd 0020411 _chemical_compound_source 'Migiandone mine, Val d'Ossola, Italy' _chemical_formula_sum 'Zn.7 Fe.35 Al1.92 Mg.03 O4' _cell_length_a 8.1103 _cell_length_b 8.1103 _cell_length_c 8.1103 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 533.471 _exptl_crystal_density_diffrn 4.528 _symmetry_space_group_name_H-M 'F d -3 m' loop_ _space_group_symop_operation_xyz 'x,y,z' 'x,1/2+y,1/2+z' '1/2+x,y,1/2+z' '1/2+x,1/2+y,z' '3/4+z,1/2-x,1/4+y' '3/4+z,-x,3/4+y' '1/4+z,1/2-x,3/4+y' '1/4+z,-x,1/4+y' '3/4-y,1/2+z,1/4-x' '3/4-y,+z,3/4-x' '1/4-y,1/2+z,3/4-x' '1/4-y,+z,1/4-x' '3/4+x,1/2-y,1/4+z' '3/4+x,-y,3/4+z' '1/4+x,1/2-y,3/4+z' '1/4+x,-y,1/4+z' '3/4-z,1/2+x,1/4-y' '3/4-z,+x,3/4-y' '1/4-z,1/2+x,3/4-y' '1/4-z,+x,1/4-y' '3/4+y,1/2-z,1/4+x' '3/4+y,-z,3/4+x' '1/4+y,1/2-z,3/4+x' '1/4+y,-z,1/4+x' '3/4-x,1/2+y,1/4-z' '3/4-x,+y,3/4-z' '1/4-x,1/2+y,3/4-z' '1/4-x,+y,1/4-z' '1/2+x,3/4-z,1/4-y' '1/2+x,1/4-z,3/4-y' '+x,3/4-z,3/4-y' '+x,1/4-z,1/4-y' '1/2-z,3/4+y,1/4+x' '1/2-z,1/4+y,3/4+x' '-z,3/4+y,3/4+x' '-z,1/4+y,1/4+x' '1/2+y,3/4-x,1/4-z' '1/2+y,1/4-x,3/4-z' '+y,3/4-x,3/4-z' '+y,1/4-x,1/4-z' '1/2-x,3/4+z,1/4+y' '1/2-x,1/4+z,3/4+y' '-x,3/4+z,3/4+y' '-x,1/4+z,1/4+y' '1/2+z,3/4-y,1/4-x' '1/2+z,1/4-y,3/4-x' '+z,3/4-y,3/4-x' '+z,1/4-y,1/4-x' '1/2-y,3/4+x,1/4+z' '1/2-y,1/4+x,3/4+z' '-y,3/4+x,3/4+z' '-y,1/4+x,1/4+z' 'x,1/2+z,1/2+y' 'x,+z,+y' '1/2+x,1/2+z,+y' '1/2+x,+z,1/2+y' '-z,1/2-y,1/2-x' '-z,-y,-x' '1/2-z,1/2-y,-x' '1/2-z,-y,1/2-x' 'y,1/2+x,1/2+z' 'y,+x,+z' '1/2+y,1/2+x,+z' '1/2+y,+x,1/2+z' '-x,1/2-z,1/2-y' '-x,-z,-y' '1/2-x,1/2-z,-y' '1/2-x,-z,1/2-y' 'z,1/2+y,1/2+x' 'z,+y,+x' '1/2+z,1/2+y,+x' '1/2+z,+y,1/2+x' '-y,1/2-x,1/2-z' '-y,-x,-z' '1/2-y,1/2-x,-z' '1/2-y,-x,1/2-z' '3/4+z,1/4+x,1/2-y' '3/4+z,3/4+x,-y' '1/4+z,1/4+x,-y' '1/4+z,3/4+x,1/2-y' '3/4-y,1/4-z,1/2+x' '3/4-y,3/4-z,+x' '1/4-y,1/4-z,+x' '1/4-y,3/4-z,1/2+x' '3/4+x,1/4+y,1/2-z' '3/4+x,3/4+y,-z' '1/4+x,1/4+y,-z' '1/4+x,3/4+y,1/2-z' '3/4-z,1/4-x,1/2+y' '3/4-z,3/4-x,+y' '1/4-z,1/4-x,+y' '1/4-z,3/4-x,1/2+y' '3/4+y,1/4+z,1/2-x' '3/4+y,3/4+z,-x' '1/4+y,1/4+z,-x' '1/4+y,3/4+z,1/2-x' '3/4-x,1/4-y,1/2+z' '3/4-x,3/4-y,+z' '1/4-x,1/4-y,+z' '1/4-x,3/4-y,1/2+z' '-z,3/4+x,3/4+y' '-z,1/4+x,1/4+y' '1/2-z,3/4+x,1/4+y' '1/2-z,1/4+x,3/4+y' 'y,3/4-z,3/4-x' 'y,1/4-z,1/4-x' '1/2+y,3/4-z,1/4-x' '1/2+y,1/4-z,3/4-x' '-x,3/4+y,3/4+z' '-x,1/4+y,1/4+z' '1/2-x,3/4+y,1/4+z' '1/2-x,1/4+y,3/4+z' 'z,3/4-x,3/4-y' 'z,1/4-x,1/4-y' '1/2+z,3/4-x,1/4-y' '1/2+z,1/4-x,3/4-y' '-y,3/4+z,3/4+x' '-y,1/4+z,1/4+x' '1/2-y,3/4+z,1/4+x' '1/2-y,1/4+z,3/4+x' 'x,3/4-y,3/4-z' 'x,1/4-y,1/4-z' '1/2+x,3/4-y,1/4-z' '1/2+x,1/4-y,3/4-z' '1/4-x,1/2+z,3/4-y' '1/4-x,+z,1/4-y' '3/4-x,1/2+z,1/4-y' '3/4-x,+z,3/4-y' '1/4+z,1/2-y,3/4+x' '1/4+z,-y,1/4+x' '3/4+z,1/2-y,1/4+x' '3/4+z,-y,3/4+x' '1/4-y,1/2+x,3/4-z' '1/4-y,+x,1/4-z' '3/4-y,1/2+x,1/4-z' '3/4-y,+x,3/4-z' '1/4+x,1/2-z,3/4+y' '1/4+x,-z,1/4+y' '3/4+x,1/2-z,1/4+y' '3/4+x,-z,3/4+y' '1/4-z,1/2+y,3/4-x' '1/4-z,+y,1/4-x' '3/4-z,1/2+y,1/4-x' '3/4-z,+y,3/4-x' '1/4+y,1/2-x,3/4+z' '1/4+y,-x,1/4+z' '3/4+y,1/2-x,1/4+z' '3/4+y,-x,3/4+z' '3/4-x,3/4-z,y' '3/4-x,1/4-z,1/2+y' '1/4-x,3/4-z,1/2+y' '1/4-x,1/4-z,y' '3/4+z,3/4+y,-x' '3/4+z,1/4+y,1/2-x' '1/4+z,3/4+y,1/2-x' '1/4+z,1/4+y,-x' '3/4-y,3/4-x,z' '3/4-y,1/4-x,1/2+z' '1/4-y,3/4-x,1/2+z' '1/4-y,1/4-x,z' '3/4+x,3/4+z,-y' '3/4+x,1/4+z,1/2-y' '1/4+x,3/4+z,1/2-y' '1/4+x,1/4+z,-y' '3/4-z,3/4-y,x' '3/4-z,1/4-y,1/2+x' '1/4-z,3/4-y,1/2+x' '1/4-z,1/4-y,x' '3/4+y,3/4+x,-z' '3/4+y,1/4+x,1/2-z' '1/4+y,3/4+x,1/2-z' '1/4+y,1/4+x,-z' '-z,-x,-y' '-z,1/2-x,1/2-y' '1/2-z,-x,1/2-y' '1/2-z,1/2-x,-y' 'y,z,x' 'y,1/2+z,1/2+x' '1/2+y,z,1/2+x' '1/2+y,1/2+z,x' '-x,-y,-z' '-x,1/2-y,1/2-z' '1/2-x,-y,1/2-z' '1/2-x,1/2-y,-z' 'z,x,y' 'z,1/2+x,1/2+y' '1/2+z,x,1/2+y' '1/2+z,1/2+x,y' '-y,-z,-x' '-y,1/2-z,1/2-x' '1/2-y,-z,1/2-x' '1/2-y,1/2-z,-x' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z _atom_site_occupancy _atom_site_U_iso_or_equiv ZnT 0.12500 0.12500 0.12500 0.70000 0.00611 FeT 0.12500 0.12500 0.12500 0.25000 0.00611 FeT 0.12500 0.12500 0.12500 0.05000 0.00611 AlM 0.50000 0.50000 0.50000 0.96000 0.00510 Fe3+M 0.50000 0.50000 0.50000 0.00500 0.00510 MgM 0.50000 0.50000 0.50000 0.01500 0.00510 Fe2+M 0.50000 0.50000 0.50000 0.02000 0.00510 O 0.26440 0.26440 0.26440 1.00000 0.00510 loop_ _atom_site_aniso_label _atom_site_aniso_U_11 _atom_site_aniso_U_22 _atom_site_aniso_U_33 _atom_site_aniso_U_12 _atom_site_aniso_U_13 _atom_site_aniso_U_23 ZnT 0.00611 0.00611 0.00611 0.00000 0.00000 0.00000 FeT 0.00611 0.00611 0.00611 0.00000 0.00000 0.00000 FeT 0.00611 0.00611 0.00611 0.00000 0.00000 0.00000 AlM 0.00510 0.00510 0.00510 -0.00033 -0.00033 -0.00033 Fe3+M 0.00510 0.00510 0.00510 -0.00033 -0.00033 -0.00033 MgM 0.00510 0.00510 0.00510 -0.00033 -0.00033 -0.00033 Fe2+M 0.00510 0.00510 0.00510 -0.00033 -0.00033 -0.00033 O 0.00510 0.00510 0.00510 -0.00025 -0.00025 -0.00025

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Localities for Gahnite-Hercynite SeriesHide

Showing 1,299 localities.

This map shows a selection of localities that have latitude and longitude coordinates recorded. Click on the symbol to view information about a locality. The symbol next to localities in the list can be used to jump to that position on the map.

Locality ListHide

- This locality has map coordinates listed. - This locality has estimated coordinates. ⓘ - Click for references and further information on this occurrence. ? - Indicates mineral may be doubtful at this locality. - Good crystals or important locality for species. - World class for species or very significant. (TL) - Type Locality for a valid mineral species. (FRL) - First Recorded Locality for everything else (eg varieties). Struck out - Mineral was erroneously reported from this locality. Faded * - Never found at this locality but inferred to have existed at some point in the past (e.g. from pseudomorphs).

All localities listed without proper references should be considered as questionable.

Algeria
In Guezzam Province In Guezzam District Laouni ⓘ Laouni West intrusion	[Hercynite, Hercynite var: Picotite] J.P. Lorand and J.Y. Cottin
Jijel Province ⓘ Texenna ophiolites	[Hercynite, Hercynite var: Picotite] Boukaoud et al. (2021)
Ouargla Province Hassi Messaoud District Hassi Messaoud ⓘ Ain Taiba	[Hercynite] Hejny et al. (2002)
Skikda Province Ben Azzouz District El Marsa Cap de Fer ⓘ Aïn Nousri volcano	[Hercynite] Eur. J. Mineral.
Collo District Cheraia ⓘ Kef Cheraya	[Hercynite] Eur. J. Mineral.
Tamanrasset Province (Tamanghasset Province) In Ouzzal ⓘ Khanfous	[Hercynite, Hercynite var: Picotite] M. Guiraud
Angola
Namibe Province Moçâmedes Giraúl pegmatite field ⓘ Type V pegmatites	[Gahnite] Gonçalves et al. (2019)
Antarctica	[Hercynite, Hercynite var: Picotite]
East Antarctica Buckley Island quadrangle Lewis Cliff ⓘ Lewis Cliff 86010 meteorite	[Hercynite] Crozaz et al. (1988)
Enderby Land ⓘ Napier Complex	[Hercynite, Hercynite var: Picotite] Eur. J. Mineral.
Mac Robertson Land ⓘ Rayner Complex	[Hercynite] Eur. J. Mineral.
Princess Elizabeth Land Ingrid Christensen Coast Prydz Bay ⓘ Larsemann Hills	[Hercynite] Eur. J. Mineral.
ⓘ Brattnevet Peninsula	[Hercynite] Grew et al. (2007)
Queen Maud Land Queen Fabiola Mountains ⓘ Yamato 82050 meteorite	[Hercynite] Brearley et al. (1998) +1 other reference
Sør Rondane Mountains ⓘ Asuka 881371 meteorite	[Hercynite] Mikouchi et al. (1996)
Wilkes Land Queen Mary Coast ⓘ Bunger Hills	[Gahnite, Hercynite] Абдрахманов et al. (2021) +1 other reference
Argentina
Córdoba Province Calamuchita Department Cañada de Álvarez District Las Caleras Commune ⓘ Cañada de Álvarez pegmatite district	[Gahnite] Tourmaline (extraLapis English, # 3, 2002)
Río de Los Sauces District ⓘ Angel Mine	[Gahnite] Victorio Angelelli (1958)
Punilla Department San Roque District Villa Parque Síquiman ⓘ El Pato Pegmatite	[Gahnite] Colombo et al. (2006)
ⓘ SD-2 Pegmatite	[Gahnite] Colombo et al. (2006)
Río Cuarto Department Sierra de Comechingones ⓘ Iron ore deposits	[Hercynite] Zaccarini et al. (2004)
ⓘ San Jose pegmatite	[Gahnite] Econ Geol (1995)
Jujuy Province Rinconada Department ⓘ Cerro Granadas	[Hercynite] Zappettini (1999)
Salta Province La Poma Department ⓘ El Quemado mining district	[Gahnite] GALLISKI (1983) +1 other reference
ⓘ Santa Elena pegmatite	[Gahnite] Galliski et al. (2006) +1 other reference
San Luis Province Coronel Pringles Department Estancia Grande Las Águilas deposit ⓘ Virorco pegmatites	[Gahnite] Galliski et al. (2012)
Atlantic Ocean
Mid-Atlantic Ridge complex ⓘ Pobeda-1 hydrothermal field	[Gahnite] Maslennikov et al. (2023)
ⓘ Pobeda-2 hydrothermal field	[Gahnite] Lyutkevich (2022)
Australia
New South Wales Farnell Co. ⓘ Horrie Hoare's Gold Mine	[Gahnite] Burton (1996, January)
Georgiana Co. Burraga ⓘ Lucky Draw Mine	[Hercynite] Sheppard et al. (1995)
Yancowinna Co. ⓘ Allendale Mine	[Gahnite] Stevens et al. (2003)
Broken Hill district Brewery Creek ⓘ La Sparanza Mine	[Gahnite] Stevens et al. (2003)
ⓘ Broken Hill	[Hercynite] Birch (1999)
ⓘ Block 14 opencut	[Gahnite] Sorrell (n.d.)
ⓘ Broken Hill South Mine (BHS Mine; South Mine)	[Gahnite] Ramdohr (1950)
ⓘ Kintore opencut	[Gahnite] Spry et al. (2003) +1 other reference
ⓘ CBH Rasp Mine (Rasp Mine)	[Gahnite] Blampain et al. (2006)
ⓘ North Mine	[Gahnite] www.mindat.org (2012)
ⓘ Perilya Potosi Mine (Potosi Mine)	[Gahnite] P.M. Buckley (2003)
Southern operations Mine ⓘ Zinc Corporation Mine (ZC Mine)	[Gahnite] Ramdohr (1950)
Little Broken Hill ⓘ Melbourne Rockwell mine	[Gahnite] Birch et al. (1988)
ⓘ Nine Mile Mine	[Gahnite] Burton (1994)
ⓘ Pinnacles Mine	[Gahnite] McQueen (1984) +3 other references
ⓘ Potosi Silver Peak Mine (Silver Peak Mine)	[Gahnite] Teals et al. (2006)
ⓘ Rupee mine (Newberry mine)	[Gahnite] NSW Geological Survey report GS1951/049 ... +1 other reference
ⓘ Speedwell Mine	[Gahnite] Stevens et al. (2003)
ⓘ Stirling Vale (Sterling Vale)	[Gahnite] Uwe Kolitsch collection
ⓘ Easter Gift Mine (Prince of Wales)	[Gahnite] Stevens et al. (2003)
ⓘ Globe Mine	[Gahnite] Slack et al. (1993)
ⓘ Great Southern Mine	[Gahnite] Stevens et al. (2003)
ⓘ Hidden Treasure Mine	[Gahnite] Stevens et al. (2003)
ⓘ Nine Mile (Nine Mile Creek)	[Gahnite] Steve Sorrell Collection
ⓘ Parnell Mine	[Gahnite] Trevor Dart +1 other reference
ⓘ South Parnell Mine	[Gahnite] Stevens et al. (2003)
ⓘ Southern Cross Mine	[Gahnite] Based on photographs uploaded
ⓘ Thackaringa District	[Gahnite] Plimer (1977)
ⓘ U0121	[Gahnite] Stevens et al. (2003)
Northern Territory Central Desert Region ⓘ Harts Range (Harts Ranges; Hartz Range; Hartz Ranges)	[Hercynite]
Ambalindum Station Mount Mabel ⓘ Oonagalabi Prospect	[Gahnite] Skwarnecki (2004)
Jervois Station Jervois Range ⓘ Marshall Attutra	[Gahnite] Robertson (1959)
ⓘ Reward Mine (Reward lead; Hanlon's Reward)	[Gahnite] Kojan (1982)
ⓘ Mount Stafford	[Hercynite] Am Min 93:283-299 +1 other reference
Queensland Cloncurry Shire Selwyn District ⓘ Pegmont Pb-Zn deposit (Pegmont Mine)	[Gahnite] www.portergeo.com.au (2003) +1 other reference
Cook Shire ⓘ Cone No. 32	[Hercynite] Teertstra et al. (1999)
Etheridge Shire ⓘ Balcooma Mine	[Gahnite] Harvey (1989)
McKinlay Shire McKinlay ⓘ Cannington Mine	[Gahnite] Singer et al. (2009)
North Burnett Region ⓘ Hawkwood deposit	[Hercynite] Buckley et al. (2010)
Tablelands Region Kinrara National Park ⓘ Lava Plains	[Hercynite] Sutherland
South Australia Alexandrina Council Strathalbyn ⓘ Angas Mine	[Gahnite] Abbot (2005)
ⓘ Strathalbyn Mine (Strathalbyn North; Monster Lode)	[Gahnite] SA Geodata Database - Mineral Deposit ...
ⓘ Wheal Ellen	[Gahnite] SA Geodata Database - Mineral Deposit ...
District Council of Mount Barker ⓘ Brukunga Quarry	[Gahnite]
Echunga goldfield ⓘ Chapel Hill Diggings (Old Echunga diggings)	[Gahnite] Ben Grguric
Kanmantoo ⓘ Kanmantoo Copper Mine	[Gahnite] Steve Sorrell Collection
ⓘ Kanmantoo Mine (Kanmantoo West; Kanmantoo North)	[Gahnite] Noble et al. (1983)
St. Ives ⓘ Aclare Mine	[Gahnite] Noble R.J et al. (1983)
Maralinga Tjarutja (Maralinga Tjarutja Council) Maralinga ⓘ Maralinga Meteorite	[Hercynite] Keller et al. (1992)
Pastoral Unincorporated Area Bimbowrie Conservation Park ⓘ Doughboy well	[Gahnite] C.H.H. Conor (2003)
Murnpeowie (Murnpeowie Station) Prospect Hill ⓘ South Ridge deposit	[Gahnite] SA Geodata Database - Mineral Deposit ...
ⓘ Tin Prospect	[Gahnite] The Geology of South Australia
Olympic Dam ⓘ Olympic Dam Mine	[Hercynite] Ciobanu et al. (2019)
Roxby Council Roxby Downs ⓘ Acropolis deposit (Aphrodite; Appendicitis Dam)	[Gahnite, Hercynite] Verdugo-Ihl et al. (2021)
Tasmania Dorset municipality Moorina ⓘ Weld River	[Hercynite] McGee (2005)
Waratah-Wynyard municipality Waratah district Waratah-Mt Bischoff ⓘ Mount Bischoff Mine	[Gahnite] Bottrill +1 other reference
West Coast municipality ⓘ Trial Harbour district	[Hercynite] Bottrill et al. (2008)
Zeehan mining district Zeehan mineral field Tasmanian Smelting Company site ⓘ South Slag dump	[Gahnite, Hercynite] Parbhakar-Fox et al. (2019)
Western Australia Bridgetown-Greenbushes Shire ⓘ Donovans Find (Smithfield)	[Gahnite] Jacobson et al. (2007)
Greenbushes Mine ⓘ Greenbushes Mine	[Gahnite] Jacobson et al. (2007)
Dowerin Shire ⓘ Dowerin	[Hercynite] MinMag 66 (6)
ⓘ Dowerin Chrysoberyl pit	[Gahnite, Hercynite] - (Perth 2007) +2 other references
Dundas Shire Fraser Range ⓘ Bollinger Mine	[Hercynite] Barnes et al. (2020) +1 other reference
ⓘ King deposit	[Gahnite] Dana et al. (2025) +1 other reference
Murchison Shire Mardagee Station ⓘ Thoolmugga Well	[Hercynite] Fetherston et al. (2013)
Port Hedland Shire Abydos Station Wodgina ⓘ Wodgina Tantalite Mine (Wodgina pegmatite; Main tantalite dyke)	[Gahnite] Simpson (1951)
Sandstone Shire Youangarra Goldfield (Curran's Find) ⓘ Freddie Well prospect	[Gahnite] Cornelius et al. (2004)
ⓘ Yalgoo Shire	[Gahnite] Economic Geology (1996) +3 other references
Retaliation Goldfield Mount Gibson Conservation Reserve ⓘ Mount Gibson Gold Mine	[Gahnite] Yeats et al. (1998) +1 other reference
Austria
Burgenland Oberpullendorf District Markt Sankt Martin Pauliberg ⓘ Basalt quarry	[Hercynite] U. Kolitsch et al. (2009)
Carinthia Wolfsberg District Sankt Paul im Lavanttal Kollnitz ⓘ Basalt quarry	[Hercynite, Hercynite var: Picotite] J. E. Zirkl: Der Karinthin 43/44:175-188 (1961)
Lower Austria Horn District Brunn an der Wild Dietmannsdorf an der Wild ⓘ Serpentinite quarries	[Hercynite] Kolitsch (2019)
Drosendorf-Zissersdorf ⓘ Wolfsbach	[Hercynite] Kolitsch (2015)
Irnfritz-Messern ⓘ Drösiedl (Klein-Ulrichschlag)	[Hercynite] Kolitsch (2015)
Krems-Land District Paudorf Meidling ⓘ Granulite quarry (Asamer quarry; Wanko gravel works)	[Hercynite, Hercynite var: Picotite] Carswell (1991)
Spitz ⓘ Mosinggraben	[Hercynite] Siddiqi (1971)
Melk District ⓘ Dunkelsteinerwald	[Hercynite] Neschen (n.d.) +1 other reference
Kilb Fleischessen ⓘ Serpentinite quarry	[Hercynite, Hercynite var: Picotite] Richter et al. (1975)
Mistelbach District Falkenstein ⓘ Falkenstein Castle	[Gahnite] Kolitsch et al. (2015)
Neunkirchen District Höflein an der Hohen Wand Unterhöflein ⓘ Bressbühel (Preßbühel; Pressbühel)	[Hercynite, Hercynite var: Picotite] Plöchinger (1967)
Sankt Pölten-Land District ⓘ Karlstetten	[Hercynite, Hercynite var: Picotite] Exel (1993)
Waidhofen an der Ybbs Gstadt ⓘ Serpentinite occurrence	[Hercynite, Hercynite var: Picotite] Richter et al. (1975)
Salzburg Salzburg-Umgebung District Strobl ⓘ Strobl volcanic intrusive complex	[Hercynite, Hercynite var: Picotite] Strasser (1989)
Zell am See District Bramberg am Wildkogel Nasenkopf mountain Leckbachgraben ⓘ Emerald deposit	[Hercynite, Hercynite var: Picotite] Exel (1993)
Rauris ⓘ Kaiserer quarry (Deisl quarry)	[Gahnite] Strasser (1989)
ⓘ Lohning quarry (Lohninger quarry)	[Gahnite] Strasser (1989)
Styria Bruck-Mürzzuschlag District Breitenau am Hochlantsch ⓘ Hercynite-chromite occurrence	[Hercynite] Bojar (2021)
Südoststeiermark District Bad Gleichenberg Klausen ⓘ Schlarbaum quarry	[Hercynite, Hercynite var: Picotite] Aufschluss 1972 (SB)
Wilhelmsdorf ⓘ Stradner Kogel	[Gahnite] Postl et al. (2011)
Kapfenstein ⓘ Kapfensteiner Kogel	[Hercynite, Hercynite var: Picotite] Exel (1993) +1 other reference
Klöch ⓘ Basalt quarry	[Hercynite] Postl et al. (1996) +1 other reference
Tyrol Schwaz District Finkenberg ⓘ Pfitsch pass	[Gahnite] Exel (1993)
ⓘ Rotbachlspitze (Rote Wand)	[Gahnite] Gröbner et al. (2007) +1 other reference
Mayrhofen ⓘ Grawand Alp	[Gahnite] Niedermayr (2007)
Upper Austria Freistadt District Pregarten ⓘ Meitschenhof	[Gahnite] Arthofer (2005)
Perg District Luftenberg an der Donau ⓘ Luftenberg quarries (Steininger quarry)	[Gahnite, Hercynite] Brandstetter (1998) +2 other references
Steyr-Land District ⓘ Maria Neustift	[Hercynite, Hercynite var: Picotite] E.Reiter (Oberösterreichs 1930 – 1982)
Urfahr-Umgebung District Alberndorf in der Riedmark ⓘ Loitzendorf	[Gahnite] peter neschen collection
Belgium
Flanders Limburg Dilsen-Stokkem Rotem ⓘ Rotem slag locality	[Hercynite] Ottenburgs et al. (1998)
Wallonia Luxembourg ⓘ Vielsalm	[Gahnite] Kramm (1979) +1 other reference
ⓘ Bihain	[Gahnite] José Dehove collection.
ⓘ Ottré	[Gahnite] Theye et al. (1994)
Cahay ⓘ Thier des Carrières	[Gahnite] Hatert et al. (2002)
Bolivia
Beni Itenez Province ⓘ Serrania de San Simon	[Gahnite] Osvaldo R. Arce Burgoa (2007)
Bosnia and Herzegovina
Republika Srpska ⓘ Motajica mountain	[Gahnite] Koch (1899) +7 other references
Brazil
Alagoas Arapiraca belt Craíbas ⓘ Serrote da Laje prospect	[Hercynite] Foo et al. (2012)
Amapá Pedra Branca do Amapari ⓘ Tucano mine	[Hercynite] Soares et al. (2025)
Bahia Andaraí ⓘ Paraguaçu river	[Hercynite] Overstreet (1967)
Curaçá river valley Jaguarari ⓘ Caraíba mine	[Hercynite] E.P. Oliveira (1995)
Érico Cardoso Paramirim das Crioulas ⓘ Morro do Chapéu claim	[Gahnite] Cassedanne et al. (1980)
Goiás Alto Horizonte ⓘ Chapada Mine	[Gahnite] Econ Geol (1986)
ⓘ Mata Azul pegmatitic field	[Gahnite] Queiroz (2016)
Mato Grosso Juína Sorriso river ⓘ Chicória farm ?	[Hercynite] Kaminsky et al. (2015) +1 other reference
Minas Gerais Conselheiro Pena Barra do Cuieté ⓘ Cigana claim	[Gahnite] Baijot et al. (2014)
Nazareno ⓘ Volta Grande mine (Mibra mine)	[Gahnite] Andrade et al. (2013)
São José da Safira ⓘ Cruzeiro mine	[Gahnite] Rizzo et al. (2025)
Vazante ⓘ Vazante mine	[Gahnite] Slezak et al. (pdf available at https://qspace.library.queensu.ca/handle/1974/7027?mode=full)
Pará Curionópolis ⓘ Britamil quarry	[Hercynite] Delinardo-Silva et al. (2025)
Paraíba Nova Palmeira ⓘ Roncadeira pegmatite	[Gahnite] Beurlen et al. (2013) +1 other reference
Picuí ⓘ Caiçara pegmatite	[Gahnite] Beurlen et al. (2008)
Pernambuco São Pedro e São Paulo archipelago ⓘ São Paulo island	[Hercynite, Hercynite var: Picotite] Washington (1929)
Rio de Janeiro Itatiaia ⓘ Itatiaia alkaline complex	[Hercynite] Rosa et al. (2018)
Rio Grande do Norte Carnaúba dos Dantas ⓘ Bico D'Arara Mine	[Gahnite]
Ermo ⓘ Alto Mirador pegmatite	[Gahnite] www.minsocam.org (2004)
Parelhas ⓘ Alto dos Quintos Mine	[Gahnite] Beurlen +7 other references
ⓘ Capoeira 1 pegmatite (Boqueirãozinho pegmatite)	[Gahnite] Beurlen et al. (2008) +1 other reference
ⓘ Capoeira 2 pegmatite (Mulungu pegmatite)	[Gahnite] Beurlen +4 other references
Rio Grande do Sul Vila Nova do Sul ⓘ Bossoroca quarry	[Hercynite, Hercynite var: Picotite] Massuda et al. (2020) +1 other reference
Tocantins Palmeirópolis ⓘ Palmeirópolis deposit	[Gahnite] Araujo et al. (1995)
Bulgaria
Blagoevgrad Province Bansko Municipality ⓘ Obidim eclogite	[Hercynite] Janák et al. (2011)
Kardzhali Province Kirkovo Municipality ⓘ Dobromirtsi	[Hercynite, Picotite var: Chrompicotite] I. Kostov et al. (1964)
Burkina Faso
Centre-Ouest Region Sanguié Province Réo Department ⓘ Perkoa Zinc Project	[Gahnite] Econ Geol (2003) +1 other reference
Sahel Region Soum Province Arbinda Department ⓘ Belhoura	[Gahnite, Hercynite] Schaeneman (1994)
Cambodia	[Hercynite, Hercynite var: Picotite]
Mondulkiri Province ⓘ Ba Kev (Bokeo; Bakeo; Bo Khev; Andaung Pich; Andaung Pech; Phumi Ba Kev; Phum Ba Key)	[Hercynite, Hercynite var: Picotite] Eldridge M. Moores (1997)
Pailin Province ⓘ Pailin District	[Hercynite, Hercynite var: Picotite] Eldridge M. Moores (1997)
Canada
British Columbia Atlin Mining Division Rainy Hollow District ⓘ Maid of Erin Mine	[Gahnite] Webster et al. (1992)
Liard Mining Division ⓘ Mineral Mountain-Copper Butte area	[Gahnite] Sabina (1973)
Revelstoke Mining Division Revelstoke ⓘ Mount Begbie	[Gahnite] Dixon et al. (2014)
Manitoba Cross Lake North Group ⓘ Pegmatite No. 22 (Gottcha Claim)	[Gahnite] Ercit et al. (2010)
Lac-du-Bonnet area Greer Lake ⓘ GL-9 pegmatite	[Gahnite] Bannatyne (1985)
ⓘ GL12 pegmatite	[Gahnite] Bannatyne (1985)
ⓘ Silver Leaf pegmatites	[Gahnite] Bannatyne (1985)
Lynn Lake District ⓘ Agassiz Mine (MacLellan Mine)	[Gahnite] Bernhardt Augsten et al. (1986) +1 other reference
Snow Lake District ⓘ Chisel Lake Mine	[Gahnite] Sabina (1972)
ⓘ Osborne Lake Mine	[Gahnite, Hercynite] Bristol et al. (1989)
ⓘ Snow Lake	[Gahnite] Zaleski et al. (1991)
ⓘ Stall Lake Mine	[Gahnite] Alexandre (2025)
ⓘ Utik Lake Banded Iron Deposit	[Hercynite] Bernier (1990)
Newfoundland and Labrador Labrador ⓘ Nain Complex	[Gahnite] Nikischer et al. (2012)
ⓘ Ikkinikulluit Brook	[Hercynite] Berg et al. (1976)
ⓘ Pants Lake Ni-Cu deposit	[Hercynite] Li et al. (2001)
Voisey's Bay ⓘ Voisey's Bay Ni-Co-Cu deposit	[Hercynite] Vale SA
Newfoundland ⓘ Steel Mountain anorthosite massif	[Hercynite] Pe-Piper et al. (2024)
Nova Scotia Lunenburg Co. New Ross ⓘ Walker Moly prospect (New Russell prospect)	[Gahnite] O'Reilly et al. (1982)
Nunavut Itchen Lake Izok Lake ⓘ Izok Lake deposit	[Gahnite, Hercynite] Lougheed +5 other references
Qikiqtaaluk Region Somerset Island ⓘ Mt. Walker	[Hercynite] The Canadian Mineralogist Vol. 38 (2000)
Ontario Hastings County Madoc Township ⓘ Blakely Pyrite Mine (Queensboro)	[Gahnite] MDI Number: MDI31C11SW00018
Kenora District Balmer Township ⓘ Campbell Mine (Placer Dome)	[Gahnite] Charles A. Tarnocai et al. (1997) +1 other reference
GTP Block 7 Township ⓘ Mattabi Mine	[Gahnite] Geoffrey Khalil Abdallah (1990)
Paterson Lake Area ⓘ Big Whopper pegmatite	[Gahnite] Pedersen et al. (2002)
ⓘ Separation Rapids Lithium Project (Separation Lake area)	[Gahnite] Avalon Advanced Materials Inc.
Parry Sound District Georgian Bay ⓘ Bonnet Island	[Hercynite] Grew et al. (2010)
Renfrew County Brudenell-Lyndoch-and-Raglan Raglan Township ⓘ Craigmont Mine	[Gahnite] Storey C.C. and Vos M.A. (1981)
Thunder Bay District Gemmell Township ⓘ Geco Mine	[Gahnite, Hercynite] Spry (1983) +2 other references
Pays Plat Lake Area ⓘ Winston Lake deposit	[Gahnite] Econ Geol. (1995)
Québec Abitibi-Témiscamingue Rouyn-Noranda TE ⓘ Millenbach Mine	[Gahnite] Riverin et al. (1980)
Côte-Nord Minganie RCM Havre-Saint-Pierre ⓘ Big Island deposit	[Hercynite] SIGEOM systeme d'information geominiere ...
Laurentides Deux-Montagnes RCM Oka ⓘ Husereau Hill	[Hercynite] GOLD (1972)
ⓘ Oka complex	[Hercynite] GOLD et al. (1986)
Mauricie Mékinac RCM ⓘ Montauban deposit	[Gahnite] Economic Geology December 1 +1 other reference
Montérégie La Vallée-du-Richelieu RCM Mont Saint-Hilaire ⓘ Poudrette quarry (De-Mix quarry; Demix quarry; Uni-Mix quarry; Carrière Mont Saint-Hilaire; MSH)	[Hercynite] HORVÁTH et al. (2000) +1 other reference
Nord-du-Québec Jamésie Baie-James ⓘ Lac Doré Complex (Lac Doré Intrusion)	[Gahnite, Hercynite] Arguin et al. (2018)
Matagami ⓘ Garon Lake mine	[Hercynite] Sabina (2003)
Outaouais Les Collines-de-l'Outaouais RCM Chelsea Autoroute 5 Autoroute 5 extension Autoroute 5 roadcuts ⓘ Roadcut No. 6	[Hercynite] Horváth collection - XRD
Pontiac RCM ⓘ L'Île-du-Grand-Calumet	[Gahnite] Williams (1990)
Saskatchewan Amisk Lake District ⓘ Coronation Mine	[Gahnite] Coombe Geoconsultants Ltd. (1991)
ⓘ Foster River	[Gahnite] Steadman et al. (2015) +1 other reference
ⓘ Fable Lake	[Hercynite] Steadman et al. (2015)
ⓘ Robyn Lake	[Gahnite] Steadman et al. (2015)
ⓘ Sito East	[Gahnite] Steadman et al. (2015)
ⓘ Sito West	[Gahnite] Steadman et al. (2015)
Cape Verde
Barlavento Islands Santo Antão Island Porto Novo ⓘ Tarrafal	[Hercynite] Zaccarini et al. (2024)
Chile
Antofagasta El Loa Province Calama San Pedro volcano ⓘ Gabbroic xenoliths	[Hercynite, Hercynite var: Picotite] Lemanski (n.d.)
China
Guangdong Meizhou Mei Co. ⓘ Yushui Mine	[Gahnite] Feng et al. (2022)
Hubei Suizhou Guangshui Co. ⓘ Unnamed REE occurrence	[Gahnite] Orris et al. (2002)
Hunan Chenzhou Yizhang Co. Dongpo ore field ⓘ Shizhuyuan Mine	[Gahnite] Gu et al. (1976)
Inner Mongolia Baotou City Bayan Obo mining district ⓘ Bayan Obo deposit	[Hercynite, Hercynite var: Picotite] Yi-Li et al. (2023)
Tongliao City (Tongliao Prefecture) Horqin District (Ke'erqin District) ⓘ Qixingshan	[Hercynite, Hercynite var: Picotite] Gupta +1 other reference
Liaoning Fushun Qingyuan Co. ⓘ Hongtoushan Mine	[Gahnite] Li et al. (2022) +1 other reference
Huludao Jianchang County Bajiazi Zn-Pb-Ag deposit ⓘ Beishan section	[Gahnite, Gahnite var: Manganese-bearing Gahnite] Zhao et al. (2003)
Qinghai Golog Tibetan Autonomous Prefecture Maqên Co. Dur'ngoi Ophiolite ⓘ De'erni Cu-Co-(Zn) deposit (Derni Cu-Co-(Zn) deposit)	[Hercynite, Hercynite var: Picotite] Zhang Wusheng and Chen Jie (1996)
Shandong Weihai Rongcheng Co. ⓘ Chijiadian	[Hercynite, Hercynite var: Picotite] Geological Society of America Abstracts ...
Sichuan Panzhihua Dong District Panzhihua Fe-V-Ti-(PGE) deposit ⓘ Lanjiahuoshan deposit	[Hercynite] Gao et al. (2019)
Miyi County ⓘ Baima V-Ti-Fe deposit	[Hercynite] Fuwen Chen (1990)
Tibet Lhasa Qüxü Co. (Qushui Co.) ⓘ Liangguo corundum deposit	[Hercynite] Zhang et al. (2018)
ⓘ Nianggui corundum deposit	[Hercynite] Changbi Li (1991)
Nagqu Baingoin Co. (Bange Co.) ⓘ Qielihu	[Hercynite, Hercynite var: Picotite] Liu et al. (2024)
Seni District ⓘ Dongfeng	[Hercynite, Hercynite var: Picotite] Liu et al. (2024)
ⓘ Yilashan	[Hercynite, Hercynite var: Picotite] Liu et al. (2024)
Xinjiang Bayin'gholin Autonomous Prefecture Hejing Co. (Xejing Co.) ⓘ Dunde Fe-Zn deposit	[Gahnite] Xie et al. (2024)
Ili Kazakh Autonomous Prefecture Altay Prefecture (Aletai Prefecture) Fuyun Co. (Koktokay Co.) Koktokay pegmatite field (Keketuohai pegmatite field) Altay Mine ⓘ Koktokay No. 3 pegmatite (Altay No. 3 pegmatite)	[Gahnite] Zhang Rubo (1981)
Qinghe Co. (Qinggil Co.; Chinggil Co.) Kelumute-Jideke pegmatite field Azubai pegmatite ⓘ Azubai pegmatite No. 328	[Gahnite] Liu et al. (2025)
Tacheng Prefecture (Tarbaghatay Prefecture) Junggar Basin ⓘ Hongguleleng formation	[Hercynite, Hercynite var: Picotite] C. Lemanski (re-entry lost Mindat data)
Tuoli Co. (Toli Co.) Sartohay (Sartokay; Sartuohai; Saertuohai) ⓘ Sartohay Mine	[Hercynite, Hercynite var: Picotite] Yushan Wang (1990)
Zhaosu Co. ⓘ Dongdegoulisayi Mine	[Hercynite] Tang (2005)
Kashi Prefecture (Kashgar Prefecture; Qeshqer Prefecture) Bachu Co. (Maralbexi Co.; Maralbeshi Co.) ⓘ Piqiang layered intrusion	[Hercynite] Cao et al. (2019)
Yunnan Pu'er Mojiang County ⓘ Jinchang Mine (Mojiang Mine; Yuanjiang gold mine)	[Hercynite, Hercynite var: Picotite] Yuan Li (1998)
Colombia
Magdalena Department Sierra Nevada de Santa Marta Mountains ⓘ El Hierro creek	[Hercynite] Betancur-Figueroa et al. (2020)
Cuba
Cienfuegos Province ⓘ Mina Carlota	[Hercynite, Hercynite var: Picotite] Hill (1958)
Czech Republic
Central Bohemian Region Benešov District ⓘ Bernartice	[Hercynite, Hercynite var: Picotite] Kratochvíl
Kutná Hora District Vlastějovice ⓘ Moldanubian Zone pegmatites	[Hercynite] Gadas et al. (2011)
Vlkaneč ⓘ Přibyslavice	[Gahnite] Povondra et al. (eds.) +1 other reference
Karlovy Vary Region Sokolov District Kraslice ⓘ Tisová	[Gahnite] Beran (Ag, Au, Co) +2 other references
Liberec Region Jablonec nad Nisou District Kořenov Jizerka ⓘ Jizerská louka	[Hercynite, Hercynite var: Picotite] Lukas Jankaj specimen
ⓘ North Bohemian Uranium District	[Hercynite, Hercynite var: Picotite] Scharm +7 other references
Moravian-Silesian Region Ostrava-City District Ostrava Slezská Ostrava ⓘ Tertiary basaltoid rock outcrops	[Hercynite] Jirásek J. (2018)
Olomouc Region Jeseník District ⓘ Česká Ves	[Gahnite] Losos et al. (1986)
Zlaté Hory Ondřejovice ⓘ Salisov pegmatite	[Gahnite] Čech et al. (1979)
Šumperk District ⓘ Branná	[Gahnite] Łodziński et al. (2011)
ⓘ Dämmbaude	[Gahnite] Novák (2003)
ⓘ Petrov nad Desnou	[Gahnite] Łodziński et al. (2011)
ⓘ Holubáč (Hammerbüschel)	[Hercynite, Hercynite var: Chromohercynite] Zimák et al. (2001)
Sobotín ⓘ Bienergraben	[Gahnite] Kruťa et al. (1968)
Šumperk ⓘ Ostředek (Mittelberg)	[Gahnite] Procházka (1969)
ⓘ Velké Losiny	[Gahnite] Łodziński et al. (2011)
Maršíkov (Marchendorf) ⓘ Rasovna (Schinderhübl)	[Gahnite] Novák
ⓘ Střelecký důl (Scheibengraben)	[Gahnite] Duda +2 other references
Pardubice Region Chrudim District Křižanovice ⓘ Křižanovice deposit	[Gahnite] Drozen
Plzeň Region Domažlice District Hora Svatého Václava ⓘ Načetín	[Hercynite] Bohuslav Bures collection
Otov ⓘ Otov I pegmatite	[Gahnite] Staněk
ⓘ Poběžovice	[Hercynite] [AM 69 (1984) +1 other reference
Klatovy District Sušice ⓘ Otava river	[Hercynite, Picotite var: Chrompicotite] Svoboda J.
South Bohemian Region Jindřichův Hradec District Stráž nad Nežárkou ⓘ Homolka Hill	[Gahnite] Uher et al. (1998)
Písek District Sepekov ⓘ Chlum Hill	[Hercynite] Fiala
South Moravian Region Brno-Country District Drahonín ⓘ Chromite prospect	[Hercynite] Čopjaková R.
Ústí nad Labem Region Litoměřice District Třebívlice Staré ⓘ Linhorka Hill	[Hercynite, Hercynite var: Picotite] Locality description
Teplice District Bystřany ⓘ Nechvalice	[Hercynite] Žáček V
Vysočina Region Havlíčkův Brod District Krucemburk ⓘ Staré Ransko	[Hercynite] Ackerman et al. (2025)
Libice nad Doubravou ⓘ Chloumek	[Hercynite] Mísař (1969)
ⓘ Podmoky	[Gahnite] Pauliš P. Nejzajímavější ...
Pelhřimov District ⓘ Cetoraz	[Gahnite] Němec et al. (1976) +1 other reference
Třebíč District ⓘ Číchov	[Gahnite] Houzar S.: Zinkem a baryem bohaté minerální asociace (sfalerit - Zn-spinel - hyalofán - Ba-flogopit)
Mohelno ⓘ Bliemsried quarry	[Hercynite, Hercynite var: Picotite] Němec et al. (monografie hadce)
Žďár nad Sázavou District Bory ⓘ Dolní Bory	[Hercynite] Keck et al. (2010)
Jimramov Trhonice ⓘ Marble quarry	[Gahnite] Novák et al. (1997)
Czech Republic/Poland
ⓘ Pomezní Ridge (Grzbiet Lasocki)	[Hercynite] Lis et al. (1986)
Ecuador
Napo Province ⓘ Sumaco Volcano	[Hercynite] Ricardo D Escobar et al. (2012)
Egypt
New Valley Governorate ⓘ Isna meteorite	[Hercynite] Methot et al. (1974)
Red Sea Governorate ⓘ St John's Island	[Hercynite, Hercynite var: Picotite] Eur. J. Mineral.
Ethiopia
Benishangul-Gumuz Region Asosa Zone ⓘ Tumet river	[Gahnite, Hercynite] Pavel M. Kartashov (n.d.)
Europe
ⓘ Albera Massif	[Hercynite] Berbain et al. (2012)
Finland
Kanta-Häme Forssa ⓘ Kiimassuo pegmatite	[Gahnite, Hercynite] Ilkka Mikkola collection
Hausjärvi ⓘ Urponkallio	[Gahnite]
Tammela ⓘ Hirvikallio	[Gahnite] Reijo Alviola collection and ...
Kymenlaakso Kouvola ⓘ Pahasaari	[Gahnite] Sunblad (2008)
North Ostrobothnia Raahe ⓘ Vihanti deposit (Lampinsaari deposit; Isoaho deposit)	[Gahnite] Geological Survey of Finland 2007 ... +1 other reference
North Savo Kaavi ⓘ Luikonlahti Mine	[Gahnite] Peltonen et al. (2008)
Satakunta ⓘ Eurajoki	[Gahnite] Haapala Ilmari 1977 Petrography and ... +1 other reference
South Karelia Imatra ⓘ Salo-Issakka	[Gahnite] Lips (2006)
Lappeenranta ⓘ Ihalainen limestone quarry	[Hercynite] Hytönen (1999)
Southwest Finland Kimitoön (Kemiönsaari) Kimitoön Island ⓘ Rosendal pegmatite	[Gahnite, Hercynite] Laitakari (1967)
ⓘ Mynämäki	[Hercynite] Väisänen et al. (1999)
Salo Perniö ⓘ Träskböle	[Gahnite] www.gsf.fi (2002)
Suomusjärvi ⓘ Salittu	[Gahnite, Hercynite] Niskanen (2014)
Uusimaa Lohja Palmottu Lake ⓘ Palmottu U deposit	[Hercynite] Pérez del Villar et al. (386)
Porvoo Bjurböle ⓘ Bjurböle meteorite	[Hercynite] Goryunov et al. (2023)
Raseborg Pohja ⓘ Nyckeln deposit (Brödtorp deposit)	[Gahnite] Geological Survey of Finland 2008. ...
France
Auvergne-Rhône-Alpes Allier Vichy Laprugne ⓘ Charrier Mine	[Gahnite] Picot et al. (1982)
Haute-Loire Brioude Azérat ⓘ Allevier	[Hercynite, Hercynite var: Picotite] Leblanc et al. (1987)
Champagnac-le-Vieux ⓘ Champagnac-le-Vieux	[Hercynite, Hercynite var: Picotite] Pélisson (1989)
Cistrières ⓘ La Barbate	[Hercynite, Hercynite var: Picotite] F.H Forestier "Les Péridotites ...
ⓘ Madriat	[Hercynite, Hercynite var: Picotite] F.H Forestier "Les Péridotites ...
ⓘ Mandel	[Hercynite, Hercynite var: Picotite]
Lubilhac ⓘ Malepeyre	[Hercynite, Hercynite var: Picotite] F.H. Forestier : "Les Péridotites ... +1 other reference
Saint-Cirgues ⓘ Les Rochers de Lisoul	[Hercynite, Hercynite var: Picotite] Leblanc et al. (1987)
Saint-Ilpize ⓘ Chantel	[Hercynite, Hercynite var: Picotite] Forestier et al. (1969)
Salzuit ⓘ La Charbonnière	[Hercynite, Hercynite var: Picotite]
Torsiac Lanau ⓘ Listvenite outcrop	[Hercynite, Hercynite var: Picotite] Leblanc et al. (1987)
Le Puy-en-Velay Vernassal ⓘ Peridotite outcrop	[Hercynite, Hercynite var: Picotite] F.H. Forestier : "Les Péridotites ...
Puy-de-Dôme Issoire Champagnat-le-Jeune ⓘ Le-Saut-du-Loup	[Hercynite, Hercynite var: Picotite] Leblanc et al. (1987)
Riom Pontgibaud ⓘ Pontgibaud smelter slag locality	[Gahnite] Vanaecker et al. (2014)
Rhône Villefranche-sur-Saône Chessy ⓘ Chessy copper mines	[Gahnite] De Ascençao Guedes (2003)
Brittany Morbihan Vannes Limerzel ⓘ Aplitic granite outcrop	[Gahnite] Devismes (1978)
ⓘ La Chapelle-Saint-Clair	[Gahnite] Devismes (1978)
Penestin ⓘ Pointe du Bile beach alluvial deposits	[Gahnite] CHAURIS L. (1982)
Centre-Val de Loire Loir-et-Cher Vendôme Lancé ⓘ Lancé Meteorite	[Hercynite] Brearley et al. (1998)
Loiret Montargis Gien ⓘ Loire river alluvial deposits	[Hercynite] Périnet (n.d.)
Corsica Haute-Corse Bastia Canari ⓘ Canari mine	[Hercynite, Hercynite var: Picotite] Azias (1968)
Calvi ⓘ Saint-Florent	[Hercynite, Hercynite var: Picotite] Azias (1968)
Corte ⓘ Altiani	[Hercynite, Hercynite var: Picotite] Azias (1968)
ⓘ Bigorno	[Hercynite, Hercynite var: Picotite]
ⓘ Bustanico	[Hercynite, Hercynite var: Picotite]
ⓘ Cabiteppe (?)	[Hercynite, Hercynite var: Picotite] Azias (1968)
ⓘ Campitello	[Hercynite, Hercynite var: Picotite]
Canale-di-Verde ⓘ Cuniole	[Hercynite, Hercynite var: Picotite] Azias (1968)
Ghisoni ⓘ Chiose	[Hercynite, Hercynite var: Picotite] Azias (1968)
ⓘ Fium 'Orbo valley	[Hercynite, Hercynite var: Picotite] Azias (1968)
Matra ⓘ Matra Mine	[Hercynite, Hercynite var: Picotite] Azias (1968)
ⓘ Moïta	[Hercynite, Hercynite var: Picotite] Azias (1968)
ⓘ Morosaglia	[Hercynite, Hercynite var: Picotite]
ⓘ Ponte Leccia	[Hercynite, Hercynite var: Picotite]
ⓘ Moulin de Grenier (?)	[Hercynite, Hercynite var: Picotite] Azias (1968)
ⓘ Muffrage (?)	[Hercynite, Hercynite var: Picotite]
ⓘ Nocario	[Hercynite, Hercynite var: Picotite]
ⓘ Pero-Casevecchie	[Hercynite, Hercynite var: Picotite]
Prato-di-Giovellina ⓘ Prato pass	[Hercynite, Hercynite var: Picotite]
ⓘ Railway tunnel	[Hercynite, Hercynite var: Picotite]
ⓘ Sant'Andréa-di-Cotone	[Hercynite, Hercynite var: Picotite]
ⓘ Volpajola	[Hercynite, Hercynite var: Picotite]
French Guiana ⓘ Tamanoir massif	[Gahnite] Sinkankas (1981)
Martinique Arrondissement of Le Marin Les Trois-Îlets ⓘ Gros Îlet	[Hercynite]
New Caledonia Southern Province Thio ⓘ Koum Granodiorite	[Hercynite] Cluzel et al. (2024)
Occitanie Ariège Foix Auzat La Freychinède ⓘ Peridotite outcrop	[Hercynite, Hercynite var: Picotite] J.L. Bodinier et al. et al. (30)
Saint-Girons Le Port Col d'Agnès Etang de Lers ⓘ Peridotite outcrops	[Hercynite, Hercynite var: Picotite] J.L. Bodinier et al. et al. (30)
Aude Carcassonne Citou ⓘ Meyrac	Eur. J. Mineral.
Salsigne ⓘ Salsigne mine	Eur. J. Mineral.
Aveyron Rodez Espalion ⓘ Puech de Vermus	[Hercynite] Boutry et al. (1986)
Villefranche-de-Rouergue Decazeville ⓘ Decazeville smelter slag locality	[Gahnite] Vanaecker et al. (2014)
Gard Le Vigan Trèves Mas Aubert ⓘ La Pierre Plantée pass	[Hercynite] R.C. Maury and P. Picot : "Conditions ...
Lozère Florac Vialas ⓘ Vialas smelter slag locality	[Gahnite] Lheur et al. (1998)
Pyrénées-Orientales Céret Argelès-sur-Mer ⓘ Pegmatite field	[Hercynite] Berbain et al. (2012)
Collioure ⓘ Pegmatite field	[Hercynite] Berbain et al. (2012)
Prades ⓘ Py	[Hercynite] Guitard (2010)
Taurinya ⓘ Balatg	[Gahnite] Berbain et al. (2005)
ⓘ Col des Voltes	[Gahnite] Guitard (2010)
Provence-Alpes-Côte d'Azur Var Draguignan Cavalaire-sur-Mer ⓘ Carrade de Cavalaire	[Hercynite, Hercynite var: Picotite] Mari et al. (1979)
Germany
Baden-Württemberg Freiburg Region Emmendingen Sasbach am Kaiserstuhl ⓘ Limberg Quarries	[Hercynite, Hercynite var: Picotite] Weiß (1990)
Ortenaukreis Oberwolfach ⓘ Clara Mine	[Gahnite] Walenta (1992)
Stuttgart Region Esslingen Ostfildern ⓘ Scharnhausen	[Hercynite] Walenta (1960)
Bavaria Lower Bavaria Passau District ⓘ Kropfmühl-Untergriesbach graphite mining district	[Gahnite] Weiß (1990)
Vilshofen ⓘ Wimhof Quarry	[Gahnite] Weiß (1990)
Regen District Bodenmais ⓘ Silberberg Mine	[Gahnite, Hercynite, Gahnite var: Kreittonite] Obermüller (1993) +1 other reference
Zwiesel Theresienthal ⓘ Rother Koth Mine	[Hercynite] Pfaffl et al. (1992)
Lower Franconia Haßberge District Maroldsweisach ⓘ Zeilberg Quarry	[Hercynite] Wittern (2001)
Upper Palatinate Cham District Lam Schmelz ⓘ Johanniszeche	[Gahnite]
Neustadt an der Waldnaab District Pleystein ⓘ Miesbrunn pegmatite–aplite swarm	[Gahnite] Dill et al. (2012)
Tirschenreuth District Kemnath Waldeck ⓘ Kalvarienberg	[Hercynite] Pöllmann et al. (2007)
Hesse Darmstadt Frankfurt ⓘ Heddernheim slag locality	[Gahnite] Blessing et al. (1991)
Kassel Region Kassel District Hofgeismar ⓘ Westberg Quarry	[Hercynite, Hercynite var: Picotite] Weiß (1990)
Lower Saxony Göttingen District Adelebsen Güntersen ⓘ Backenberg quarries	[Hercynite, Hercynite var: Picotite] Wedepohl (1954)
North Rhine-Westphalia Arnsberg Märkischer Kreis Iserlohn Letmathe Helmke quarry nature reserve ⓘ Genna zinc smelter slag locality	[Gahnite] Bender et al. (1994)
Cologne Bonn ⓘ Finkenberg	[Hercynite, Hercynite var: Picotite] Moreva-Perekalina (1985)
Rhein-Sieg-Kreis Wachtberg Niederbachem ⓘ Dächelsberg	[Hercynite, Hercynite var: Picotite] Frechen (1976)
Rhineland-Palatinate Ahrweiler Adenau Müllenbach ⓘ Bocksberg	[Hercynite] Vogelsang (1890)
Brohltal Glees ⓘ Gleeser Felder	[Hercynite] Brauns
ⓘ Hüttenberg	[Hercynite] Brauns (1922)
Wehr ⓘ Kappiger Ley (Kappiger Lay)	[Hercynite] Hentschel (1983)
Mayen-Koblenz Mayen Seekante ⓘ Xenolith CS-090 (Hopmannite type locality)	[Hercynite] Juroszek et al. (Ti 5 Fe)
Mendig Mendig ⓘ Basalt quarries	[Hercynite] Brauns (1922)
ⓘ In den Dellen quarries	[Hercynite] Brauns +1 other reference
ⓘ Thelenberg	[Hercynite] Brauns
Wingertsberg ⓘ Pumice quarries	[Hercynite] Brauns
Pellenz Kruft ⓘ Krufter Ofen	[Hercynite] Brauns
Vordereifel Ettringen ⓘ Caspar quarry	[Hercynite] Blaß et al. (2004)
Vulkaneifel Daun Dreis-Brück Dreis ⓘ Dreiser Weiher	[Hercynite, Hercynite var: Picotite] Brauns (1922)
Üdersdorf ⓘ Löhley	[Hercynite] Guth (2000)
Gerolstein Rockeskyll Rockeskyll volcanic complex ⓘ Auf Dickel (incl. Nonnental)	[Hercynite] Haardt
Westerwaldkreis Wallmerod Hundsangen ⓘ Ölberg quarry	[Hercynite, Hercynite var: Picotite] Köster (1960)
Saxony Erzgebirgskreis Marienberg ⓘ Satzung	[Hercynite] Gottesmann et al. (2004)
Görlitz District Löbau ⓘ Löbauer Berg	[Hercynite, Hercynite var: Picotite] Rose (1868)
Zwickau District ⓘ Callenberg	[Hercynite] Paul (1995)
Greece
Attica East Attica Lavreotiki Plaka Plaka Mines ⓘ Adami Mine No. 2	[Hercynite] Uwe Kolitsch and Branko Rieck analyses (see also http://lavrion.gr/Minerals/Updates.html)
Eastern Macedonia and Thrace Drama Paranesti ⓘ Ruby occurrence	[Hercynite, Hercynite var: Picotite] Wang et al. (2017)
North Aegean ⓘ Icaria	[Gahnite] Iliopoulos et al. (2004)
Samos Eastern Samos ⓘ Eastern coast	[Gahnite] Feenstra et al. (2003)
Western Samos Kerkis mountain ⓘ Mikro-Lakka emery deposit	[Gahnite] Ockenga et al. (1998) +1 other reference
ⓘ Othrys ophiolite complex	[Hercynite] Zaccarini et al. (2025)
Western Macedonia ⓘ Vourinos Ophiolite complex	[Hercynite] Zaccarini et al. (2025)
Greenland
Qeqertalik ⓘ Disko Island	[Hercynite] Contrib.Mineral Petrol (1981)
Sermersooq Nuuk ⓘ Isua Greenstone Belt (Isua Supercrustal Belt)	[Gahnite] Appel (2000)
ⓘ Malene belt	[Gahnite] Uitterdijk Appel (1986)
ⓘ Nuummite localities	[Gahnite] Appel et al. (1987)
ⓘ Qeqertarsuatsiaat area	[Hercynite] Petersen et al. (1993)
Guyana
Potaro-Siparuni Region Rest of Region 8 ⓘ Merume River	[Gahnite] Milton et al. (1976)
Hungary
Baranya County Komló District Mánfa ⓘ Baranya brook	[Hercynite] Sándor et al. (2005)
Fejér County Gárdony District Sukoró ⓘ Rigó Hill	[Hercynite] Sándor et al. (2005)
Nógrád County Bárna ⓘ Nagy-kő	[Hercynite, Hercynite var: Picotite] C. Szabó et al.
Salgótarján ⓘ Pécs-kő	[Hercynite, Hercynite var: Picotite] EGU / EGS - AGU - EUG Joint Assembly et al. (Bakony-Balaton Highland)
Veszprém County Balatonfüred District Monoszló ⓘ Hegyestű Quarry	[Hercynite, Hercynite var: Picotite] XVI ECROFI European Current Research On Fluid Inclusions et al. (Eds F. Noronha, A. Dória and A. Guedes)
Zala County Nagykanizsa District Garabonc ⓘ Garabonc borehole no. 1	[Hercynite] Sándor et al. (2005)
India
Andhra Pradesh Visakhapatnam District ⓘ Paderu	[Hercynite] Eur. J. Mineral.
Bihar Gaya District ⓘ Shergotty Martian meteorite	[Hercynite] Treiman (1985)
Gujarat Surendranagar District ⓘ Dhajala meteorite	[Hercynite] Noonan et al. (1976)
Ladakh Leh District ⓘ Spontang Ophiolite complex	[Hercynite] Jonnalagadda et al. (2022)
Madhya Pradesh Chhindwara District ⓘ Bhuyāri	[Gahnite] Praveen et al. (2007)
Jabalpur Division Chhindwara District ⓘ Koparpani prospect	[Gahnite] Ghosh et al. (2006) +1 other reference
Meghalaya East Khasi Hills District ⓘ Sung Valley complex	[Hercynite] Krishnamurthy (1985) +1 other reference
Odisha Koraput District ⓘ Panasapattu	[Hercynite] C.V. Dharma Rao et al. (2012)
Rajasthan Bhilwara District ⓘ Rampura-Agucha Zn-(Pb) deposit	[Gahnite] Höller et al. (1997)
Jodhpur Division Sirohi District ⓘ Ajari-Basantgarh-Pipela	[Gahnite] Mukherjee et al. (1998)
Tamil Nadu Madurai District ⓘ Kosavankovilpatti	[Hercynite] Yadav et al. (2021)
Thiruvannaamalai district ⓘ Mamandur	[Gahnite] Mineralogical Magazine 63:743-755. +1 other reference
Tiruchirapalli District Ellammankovilpatti ⓘ Ellammankovilpatti Quarry	[Hercynite] Grew et al. (1987)
Telangana Karimnagar District Malial ⓘ Kornerupine Locality	[Hercynite] Sharma et al. (2006)
Indonesia
South Kalimantan Province Tanah Bumbu Regency Batulicin ⓘ Mt Kuku	[Hercynite, Hercynite var: Picotite] Lianshun Feng (1996)
Iran
Hamadan Province Alvand Mountains ⓘ Corundum-bearing pegmatite	[Hercynite] Alehashem et al. (2021)
Isfahan Province Aran and Bidgol County ⓘ Veshnaveh	[Hercynite] Nezafati et al. (2017)
Iraq
Sulaymaniyah Governorate Pshdar District ⓘ Marabasta Zn-Pb Deposit	[Gahnite] Al-Bassam (2013) +1 other reference
Ireland
Ulster Donegal County Ardara ⓘ Narin (Naran)	[Hercynite] B. P. Atkin (1978) +1 other reference
Italy
Aosta Valley Fénis Clavalité Valley ⓘ Misérègne slag locality	[Hercynite] Toffolo (2012-13)
Saint-Marcel Servette-Chuc mining complex ⓘ Servette slag heaps	[Hercynite] Tumiati et al. (2005)
Torgnon ⓘ Marmore stream	[Hercynite] Hålenius et al. (2016) +1 other reference
Calabria Catanzaro Province Tiriolo ⓘ Donna Angelica Valley ?	[Gahnite] De Michele (1974) +1 other reference
Campania Benevento Cusano Mutri ⓘ Regia Piana bauxite deposit	[Hercynite] Mondillo N. et al. (2011)
Emilia-Romagna Ferrara Province Vigarano Mainarda Vigarano Pieve ⓘ Vigarano meteorite (Cariani; Ferrara; Mainardi; Morandi; Parish; Pieve; Vigarano Mainarda; Vigarano Pieve; Vigarno; Vigarvano; Vigavano [NHM cat.])	[Hercynite] Maruyama et al. (2008) +1 other reference
Modena Province Serramazzoni ⓘ Varana ophiolite	[Hercynite, Hercynite var: Picotite] Bertacchini et al. (1999)
Parma Province Tornolo S. Maria del Taro ⓘ Monte Rocchetta	[Hercynite, Hercynite var: Picotite] Galli (1963)
Lazio Metropolitan City of Rome Capital ⓘ Anguillara Sabazia	[Hercynite] Schingaro et al. (2001)
Rome ⓘ Corcolle Quarry	[Hercynite]
Viterbo Province Vetralla ⓘ Fosso Ricomero	[Hercynite] Parodi et al. (1989)
Liguria Genoa Borzonasca ⓘ Mt. Rocchetta (La Rocchetta)	[Hercynite, Hercynite var: Picotite] Antofilli et al. (1983)
Casarza Ligure Bargone ⓘ Costa di Bargone	[Hercynite, Hercynite var: Picotite] Galli M. (1970)
ⓘ Groppaggi	[Hercynite, Hercynite var: Picotite] Galli M. (1970)
Genoa Varenna Valley ⓘ Carpenara slag locality	[Gahnite] Rivista Mineralogica Italiana (Avril/Juin)
Moneglia ⓘ Bracco	[Hercynite] Zaccarini et al. (2025)
ⓘ Ligurian Sea to the SW of Portovenere Promontory (La Spezia)	[Hercynite, Hercynite var: Picotite] Vinci (1964)
Lombardy Sondrio Province Chiavenna ⓘ Tanno Pegmatitic Field	[Gahnite] Bedognè (1991) +1 other reference
Chiesa in Valmalenco ⓘ Sissone Valley	[Hercynite] Marchesini et al. (2025)
Novate Mezzola ⓘ Codera Valley	[Gahnite] - (n.d.)
Sondalo ⓘ Le Prese	[Hercynite] - (n.d.)
Piedmont Metropolitan City of Turin Caselette ⓘ Sant'Abaco	[Hercynite, Hercynite var: Picotite] Sanero (1932)
ⓘ Musinè Mountain	[Hercynite, Hercynite var: Picotite] Sanero (1932)
Verbano-Cusio-Ossola Province ⓘ Finero Ultramafic Complex	[Hercynite] The Canadian Mineralogist
Ornavasso ⓘ Migiandone Mine (Miggiandone)	[Gahnite] - (n.d.)
ⓘ Premosello-Chiovenda	[Gahnite, Hercynite] Piccoli et al. (2007)
ⓘ La Piana Alp	[Hercynite] Piccoli et al. (2007)
Trontano ⓘ Campaccio	[Gahnite] Mattioli V. (1976) +3 other references
Cosasca ⓘ Grignaschi Quarry	[Gahnite] Piccoli et al. (2007)
Valstrona Campello Monti ⓘ Alvani Mine	[Hercynite, Hercynite var: Picotite] Cossa (1877) +1 other reference
ⓘ Pennino Grande Mine	[Hercynite] Natale et al. (1976)
Vercelli Province ⓘ Alagna Valsesia	[Hercynite] Piccoli et al. (2007)
Sardinia Nuoro Province Orotelli ⓘ Nuraghe Piscapu pegmatite field	[Gahnite] Pani E. (1995)
Sicily Syracuse Province Melilli ⓘ Cozzo Molino	[Hercynite, Hercynite var: Picotite] S. Tonarini et al.
Sicily Channel (Sicilian Channel; Strait of Sicily) ⓘ Pantelleria East Seamount	[Hercynite] Rotolo et al. (2006)
Trentino-Alto Adige/Südtirol South Tyrol Auerberg valley Seefeld Alp ⓘ Seefeld Lake	[Hercynite, Hercynite var: Picotite] 86 (in German) +1 other reference
Burggrafenamt (Burgraviato) Moos in Passeier (Moso in Passiria) ⓘ Monteneve Mine (Schneeberg Mine)	[Gahnite] Exel (1987)
Wipptal (Alta Vall'Isarco) Pfitsch (Val di Vizze) Sankt Jakob (San Giacomo) Vizze Pass (Pfitsch Pass; Pfitscher Joch) ⓘ Croda Rossa southwest slope (Rotbachl peak southwest slope)	[Gahnite, Hercynite] - (1997)
ⓘ Rinnerlahner	[Gahnite] Folie et al. (2010)
Tuscany Grosseto Province Scarlino ⓘ Poggetti Butelli slag locality	[Hercynite] Costagliola et al. (2008)
Livorno Province Piombino ⓘ Baratti slag locality	[Hercynite] Benvenuti et al. (2000)
Metropolitan City of Florence Impruneta ⓘ Carraie Hill	[Hercynite] Prosperi et al. (2013)
Montaione ⓘ Felciaio Hill (Felciaione Hill)	[Hercynite, Picotite var: Chrompicotite] Manasse E. (1922)
Veneto ⓘ Assunta 1 borehole	[Hercynite] Meli et al. (2003) +1 other reference
Ivory Coast
Montagnes Tonkpi Biankouma Department ⓘ Samapleu mafic-ultramafic intrusion	[Hercynite] Gouedji et al. (2014)
Woroba Worodougou Séguéla department Toubabouko ⓘ Toubabouko diamond field	[Hercynite, Hercynite var: Chromohercynite] Pouclet A. et al. (2004)
Japan
Ehime Prefecture ⓘ Yuge Island	[Hercynite] Shimazaki et al. (1984)
Fukuoka Prefecture Fukuoka City ⓘ Kurose	[Hercynite, Hercynite var: Picotite] Masaru Yamaguchi (1964)
ⓘ Nagatare (Nagatareyama; Nagatare mine)	[Gahnite] Yohei Shirose and Seiichiro Uehara (2013)
Fukushima Prefecture ⓘ Ishikawa District	[Gahnite] Introduction to Japanese Minerals (Geological Survey of Japan, 1970)
Gifu Prefecture Ena City ⓘ Kawai mine	[Gahnite] Bulletin of the National Science Museum et al. (4)
Hida City ⓘ Kawai-cho-tsukigase	[Gahnite, Hercynite] Osakabe et al. (1983)
Hokkaidō Prefecture Hidaka Subprefecture Samani District Samani-cho ⓘ Horoman peridotite body	[Hercynite, Hercynite var: Picotite] M. Yamaguchi (1961)
Ibaraki Prefecture Kitaibaraki City Hanazono-river ⓘ Yojiro waterfall	[Hercynite] Takahata +1 other reference
ⓘ Mizunuma	[Hercynite] Takahata +1 other reference
Iwate Prefecture Oshu City Esashi ward ⓘ Akagane mine	[Gahnite] - (n.d.)
Kagoshima Prefecture Kagoshima District Tokara Archipelago ⓘ Kuchino Island	[Hercynite, Hercynite var: Picotite] Tokiko Tiba (1989)
Oita Prefecture Oita City ⓘ Shibuki mine	[Hercynite, Hercynite var: Picotite] Katou (1925)
Saiki City ⓘ Kiura Mine	[Hercynite] - (n.d.)
ⓘ Seki mine	[Hercynite, Hercynite var: Picotite] Katou (1925)
Okayama Prefecture ⓘ Abandoned unnamed mine	[Gahnite] Sueoka Y (2013)
Takahashi City Bitchū Shitouyouze ⓘ Sampo mine	[Hercynite] Matsueda (1980)
Tsuyama City ⓘ Oyama and Meyama	[Hercynite, Hercynite var: Picotite] Masaru Yamaguchi (1964)
ⓘ Sukumozuka	[Hercynite, Hercynite var: Picotite] Masaru Yamaguchi (1964)
Saga Prefecture Karatsu City ⓘ Takashima islet	[Hercynite, Hercynite var: Picotite] Masaru Yamaguchi (1964)
Shimane Prefecture Hamada City ⓘ Ohgusoyama	[Hercynite, Hercynite var: Picotite] Masaru Yamaguchi (1964)
Ochi District ⓘ Dohgamaru mine	[Gahnite] Chihiro Fukuda and Masahide Akasaka (2005)
Oki District Okinoshima Oki Islands Dogo Island ⓘ Shimoganya quarry	[Hercynite, Hercynite var: Picotite] Masaru Yamaguchi (1964)
Tottori Prefecture Hino District Nichinan ⓘ Wakamatsu mine	[Hercynite] Petrov (n.d.)
Kazakhstan
Akmola Region ⓘ Kulet-Kol area	[Gahnite, Hercynite] Hwang et al. (2006)
Aktobe Region Kargaly District Kempirsay massif ⓘ Donskoye deposit	[Hercynite, Picotite var: Chrompicotite] Korobkin et al. (2022)
Pavlodar Region Pavlodar District ⓘ Efremovka meteorite	[Hercynite]
Ulytau Region Karazhal Kara-Oba W deposit ⓘ Solnechnoye Mine	[Gahnite] Shpanov et al. (1971)
Kyrgyzstan
Naryn Region ⓘ Dolon paleovalley	[Hercynite] Kievlenko et al. (2003)
Lesotho
Leribe District ⓘ Matsoku Mine	[Hercynite, Hercynite var: Picotite] Mathias et al. (1970)
Libya
Jabal al Gharbi District Hamadah al Hamra ⓘ Hammadah al Hamra 280 meteorite (HaH 280)	[Hercynite] Bukovanská et al. (2003)
Lithuania
Alytus County Varena Municipality ⓘ Varėna Fe deposit	[Gahnite, Hercynite] Prušinskienė et al. (2017)
Luxembourg
Canton Wiltz Goesdorf ⓘ Goesdorf antimony mine ?	[Gahnite] Philippo et al. (2007)
Madagascar
Anosy Betroka District Bekorobo ⓘ Ampasimainty	[Hercynite] Lacroix (1922)
Mahasoa Est ⓘ Manivitsy	[Hercynite] Lacroix (1939)
Taolagnaro District Andranobory ⓘ Cap Andrahomana	[Hercynite] Eur. J. Minéral +1 other reference
Mandromodromotra ⓘ Osumilite occurrence 1	[Hercynite] Holder et al. (2018)
ⓘ Osumilite occurrence 2	[Hercynite] Holder et al. (2018)
Atsimo-Andrefana Ampanihy District Maniry ⓘ Vohidrakitsy deposits	[Gahnite] Dekoninck et al. (2024)
Atsimo-Atsinanana Farafangana Ankarana Miraihina ⓘ Ankararano	[Hercynite, Hercynite var: Chromohercynite] Behier (1963)
Betsiboka Tsaratanàna District Tsaratanana Commune ⓘ Analamisakana pegmatite (Analamitsakana)	[Gahnite] Behier (1963)
Ihorombe Ihosy District Ihosy Commune ⓘ Colline de Lalanandro quarry	[Hercynite] Tang et al. (2019)
Vakinankaratra Mandoto Betsohana ⓘ Ambatofotsikely pegmatite	[Gahnite] Behier (1963)
Malawi
Central Region Ntcheu ⓘ Chimwadzulu Hill	[Hercynite] H.G. Dill
Northern Region Mzimba ⓘ Champirar Dome	[Hercynite] Haslam (1983) +1 other reference
Mauritania
Assaba Region Mbout ⓘ Bou Zraïbié Centre	[Gahnite] Marsh et al. (2015)
ⓘ Bou Zraïbié Sud	[Gahnite] Marsh et al. (2015)
Mauritius
ⓘ Rodrigues Island	[Hercynite] Baxter et al. (1985)
Mexico
Chiapas Acacoyagua Municipality ⓘ Mariscal-Soconusco anorthositic complex	[Hercynite] León et al. (2016)
Chihuahua Guachochi Municipality ⓘ Barrancas del Cobre (Copper Canyons)	[Gahnite] Megaw (2023)
Pueblito de Allende ⓘ Allende meteorite	[Hercynite] Brearley et al. (1998) +2 other references
Middle East
ⓘ Hatrurim Formation	[Hercynite] Gross (1977)
Mongolia
Dornogovi Province Erdene District ⓘ Khamaryn– Khural–Khiid combustion metamorphic complex	[Hercynite] Savina et al. (2020)
Töv Province Bayan District ⓘ Nyalga combustion metamorphic complexes	[Hercynite] Peretyazhko et al. (2017)
Choir-Nyalga basin ⓘ Nyalga Combustion Metamorphic complex	[Hercynite] Peretyazhko et al. (2017) +1 other reference
ⓘ Camel	[Hercynite] Peretyazhko et al. (2018)
Morocco
Drâa-Tafilalet Region Errachidia Province Er-Rissani Cercle Sidi Ali Caïdat ⓘ Northwest Africa 4590 meteorite (NWA 4590)	[Hercynite] Kuehner et al. (2007) +1 other reference
Zagora Province Zagora Cercle Tagounite Caïdat ⓘ Northwest Africa 4931 meteorite (NWA 4931)	[Hercynite] Riches et al. (2012)
Mozambique
Zambezia Province Alto Mólocuè District ⓘ Namacotche LCT pegmatites	[Gahnite] Gomes et al. (2022)
Gilé District Muiane-Naipa group ⓘ Muiâne pegmatite (Muiâne mine; Emdal mines)	[Gahnite] Quadrado et al. (1963)
Namibia
Erongo Region Dâures Constituency ⓘ Tsomtsaub	[Gahnite] von Bezing (2007)
Karibib Constituency Okatjimukuju Farm 55 (Friedrichsfelde Farm) ⓘ Clementine II pegmatite	[Gahnite] Keller et al. (1989)
Walvis Bay Rural ⓘ Gorob Mine	[Gahnite] Econ Geology (1993)
Khomas Region Windhoek Rural ⓘ Okahua Farm 418	[Gahnite] A. Wohlschläger (2001) +1 other reference
Oshikoto Region Tsumeb ⓘ Tsumeb smelter slag locality	[Gahnite] Ettler et al. (2009)
New Zealand
Auckland Region Lake Pupuke ⓘ Smales Quarry	[Hercynite, Hercynite var: Picotite] Searle (1961)
ⓘ Thorne Bay lava flows	[Hercynite, Hercynite var: Picotite] Searle (1961)
Nelson Region ⓘ Dun Mountain	[Hercynite, Picotite var: Chrompicotite] Appendix to the 5th ed. of Dana's ...
Otago Region Kakanui ⓘ Kakanui North & South Heads	[Hercynite, Hercynite var: Picotite] Mason (1968)
Southland Region Southland District Stewart Island ⓘ Tin Range	[Gahnite] Lilley +2 other references
ⓘ Port Pegasus	[Gahnite] Hutton (1957)
West Coast Region Buller District Reefton ⓘ Victoria Range	[Gahnite] Tulloch (1981)
Nigeria
Kaduna ⓘ Jema'A	[Gahnite] D'Ippolito +7 other references
Kogi Yagba West ⓘ Ferronigerite-2N1S occurrence	[Gahnite] Jacobson et al. (1947)
North Korea
Kangwon Province Tongchon County ⓘ Tongchon coalfield	[Hercynite, Hercynite var: Picotite] Hideo Tsuda (1969)
North Macedonia
Čaška Municipality ⓘ Nežilovo	[Gahnite] Estep (1977) +2 other references
Jakupica Mountains Babuna Valley ⓘ Babunaite-(Nd) type locality	[Gahnite] Galuskina et al. (2026)
ⓘ Kalugeri Hill	[Gahnite] Bermanec et al +3 other references
ⓘ Mixed Series formation	[Gahnite] Chukanov et al. (2015)
ⓘ Zincovelesite-6N6S type locality	[Gahnite] Chukanov et al. (2018) +2 other references
Lipkovo Municipality ⓘ Lojane	[Hercynite] Kolitsch et al. (2018)
Northwest Africa Meteorites
ⓘ Northwest Africa 1670 meteorite (NWA 1670)	[Hercynite] Jambon A. et al. (2008)
ⓘ Northwest Africa 1934 meteorite (NWA 1934)	[Hercynite] Caltech
ⓘ Northwest Africa 2999 meteorite (NWA 2999)	[Hercynite] Baghdadi et al. (2012)
Norway
Agder Arendal Barbudalen ⓘ Torbjørnsbu Mine	[Gahnite] Scheerer (1845)
Bykle Hovden Langvatn ⓘ Unnamed Pegmatite	[Gahnite] Rune S. Selbekk (2010)
Froland Lyngrott ⓘ Seljeåsen Nickel Prospect	[Hercynite, Hercynite var: Picotite] Brickwood (1986)
Grimstad ⓘ Hasleholmen	[Hercynite] Kihle et al. (1992)
Iveland Frikstad ⓘ Frikstad 02 Feldspar Quarry (Litjern)	[Gahnite] Larsen et al. (2007)
ⓘ Rossås	[Gahnite] Rune S. Selbekk (2010)
Skripeland ⓘ Skripeland 1 feldspar quarry	[Gahnite] Frigstad (1999)
ⓘ Solås Pegmatite	[Gahnite] Nordrum (2004)
Lyngdal ⓘ Skårdal	[Hercynite] Ohta (1968)
Tvedestrand ⓘ Gladstad	[Hercynite] Kihle (1989)
Snaresund ⓘ Sunde bridge	[Hercynite] Touret et al. (1971)
Valle Strømsheia (Straumsheia) Kvæve area ⓘ Unnamed Pegmatite	[Gahnite] Rune S. Selbekk (2010)
Buskerud Flesberg ⓘ Grøsli Mine	[Gahnite] Neumann (1985)
Kongsberg ⓘ Kisgruva	[Gahnite] Bullock et al. (2018)
ⓘ Kongsberg silver mining district ?	[Gahnite] Kjerulf et al. (1861) +1 other reference
Innlandet Dovre Hjerkinn ⓘ Kolla ?	[Gahnite] Selbekk (1991)
Lom ⓘ East of Mt. Galdhøpiggen	[Hercynite] Battey et al. (1977)
Visdalen ⓘ Peridotite-gneiss contact	[Hercynite] Griffin (1971)
Nordland Evenes ⓘ Niingen Zink-Lead Prospects	[Gahnite] Vokes (1962) +1 other reference
Hemnes Bleikvasslia ⓘ Bleikvassli Mine	[Gahnite] Vokes (1962)
Narvik Ballangen Håfjellet ⓘ Skårnesdalen	[Gahnite] Juve (1967)
Rana ⓘ Raudsandhaugen Base Metal Prospects	[Gahnite] Bjerkgård et al. (2013)
Rogaland Bjerkreim Vikeså Ivesdalsfjellet ⓘ Sapphirine locality	[Hercynite] Hermans et al. (1976)
ⓘ Osumilite-bearing granulite	[Hercynite] Laurent (2016)
Lund Flatestøl ⓘ Almgjotheii	[Hercynite] Grew et al. (1998)
Sauda ⓘ Birkeland mines (Sauda mines)	[Gahnite] Bryhni (1993) +1 other reference
Vindafjord Vats ⓘ Thor's Mine	[Gahnite] Sørbye (1948) +1 other reference
Svalbard Spitsbergen Albert I Land Magdalenafjorden ⓘ Wagonway Glacier	[Hercynite] Ohta (1968)
Hornsund ⓘ Skoddefjellet Pegmatite	[Gahnite] Pršek et al. (2010)
Telemark Bamble Bamble Nickel Mines Skjilbreia ⓘ Meikjær Mine	[Hercynite] Brickwood (1986)
ⓘ Stoltz Mine	[Hercynite] Brickwood (1986)
Drangedal Tørdal ⓘ Heftetjern pegmatite	[Gahnite] Kristiansen (2009)
Nome ⓘ Fen Complex	[Hercynite, Hercynite var: Picotite] Griffin (1973)
Tokke Klauvreid ⓘ Klauvreid Pegmatite Quarries	[Gahnite] Larsen. A.O. & Åsheim (2008)
Troms og Finnmark Alta ⓘ Bekkarfjordnes	[Hercynite] Robins (1984)
ⓘ Hakkstabben	[Hercynite] Robins et al. (1979)
Stjernøya Island ⓘ Lillebukt Alkaline Complex	[Hercynite] Ihlen et al. (2014)
Balsfjord Sagelvvatnet ⓘ Heia	[Hercynite, Hercynite var: Picotite] Barth (1927)
Loppa Øksfjord ⓘ Øksfjord-Langfjord	[Hercynite] Elvevold et al. (1996)
Tjeldsund Skånland ⓘ Villdalsfjell	[Gahnite] Vokes (1962) +1 other reference
Trøndelag Oppdal ⓘ Kolla	[Gahnite] Witsø (1994)
Vestland Alver Lindås ⓘ Lindås Nappe	[Hercynite] Cempírek J. et al. (2010)
Oman
Dhofar Governorate ⓘ Dhofar 015 meteorite (Dho 015)	[Hercynite] The Meteoritical Bulletin 84 (Aug.2000)
Pacific Ocean
East Pacific Rise ⓘ EPR 12° 50' N	[Hercynite, Hercynite var: Picotite] Hékinian et al. (1985)
Magellan Seamounts ⓘ Govorov Guyot	[Hercynite] Peretyazhko et al. (2022)
Peru
Puno Carabaya Province Macusani ⓘ Macusani glass	[Gahnite] EDS results by +1 other reference
ⓘ Chili Palca Hacienda	[Hercynite] Liipo et al. (1994)
Poland
Lesser Poland Voivodeship Chrzanów County Gmina Trzebinia Trzebinia smelting plant ⓘ Trzebinia waste dump	[Hercynite] Włodyka et al. (2015)
Lower Silesian Voivodeship Dzierżoniów County Bielawa ⓘ Chmielina Mountain	[Hercynite, Hercynite var: Picotite] Lis et al. (1986)
Piława Górna ⓘ DSS Piława Górna Quarry	[Gahnite] Łodziński et al. (2011)
ⓘ Julianna pegmatite	[Gahnite] Pieczka et al. (2018)
Kamienna Góra County Gmina Kamienna Góra ⓘ Czarnów	[Hercynite] Lis et al. (1986)
Karkonosze County Gmina Janowice Wielkie Janowice Wielkie ⓘ Popiel Mt.	[Hercynite, Hercynite var: Picotite] Lis et al. (1986)
Gmina Stara Kamienica Kopaniec ⓘ Kopaniec uranium deposit ?	[Hercynite] Lis et al. (1986)
ⓘ Kowary	[Hercynite] Lis et al. (1986)
Kłodzko County ⓘ Gmina Nowa Ruda	[Hercynite] Kruszewski et al. (2014)
Przygórze Bolesław Mine ⓘ Przygórze heap	[Hercynite] Kruszewski et al. (2014)
Lubań County Gmina Leśna Leśna ⓘ Brusznik stream alluvials	[Hercynite] Lis et al. (1986)
Gmina Platerówka ⓘ Łomna hill	[Hercynite] Lis et al. (1986)
Lwówek Śląski County Gmina Mirsk ⓘ Gierczyn	[Gahnite] Lis et al. (1986)
Kotlina ⓘ Old leucogranite quarry	[Gahnite] Lis et al. (1986)
ⓘ Krobica	[Gahnite] Lis et al. (1986)
Przecznica ⓘ St Maria Anna mine	[Gahnite] Schakel et al. (2009)
ⓘ Rębiszów	[Hercynite] Adamczyk Z. (2008)
Świdnica County Gmina Żarów ⓘ Siedlimowice	[Gahnite] E. Szeleg
ⓘ Siedlimowice granite quarry	[Gahnite] Janeczek J. (1989) +1 other reference
Wrocław County Gmina Jordanów Śląski ⓘ Jordanów nephrite quarry	[Gahnite] Lis et al. (1986)
Ząbkowice Śląskie County Gmina Złoty Stok ⓘ Mąkolno	[Hercynite] Lis et al. (1986)
Złotoryja County Gmina Pielgrzymka Pielgrzymka ⓘ Pielgrzymka basalt quarry	[Hercynite] Kardymowicz (1967)
Gmina Świerzawa Biegoszów ⓘ Krzeniów basalt quarry	[Hercynite] Lis et al. (1986)
Masovian Voivodeship Warsaw ⓘ Baszkówka meteorite	[Hercynite, Hercynite var: Picotite] Manecki (Polish Geological Institute)
Silesian Voivodeship Katowice Wełnowiec-Józefowiec ⓘ "Alpy" dump	[Hercynite] Pierwoła
Rybnik Chwałowice ⓘ Starzykowiec coal-mining dump	[Hercynite] Ciesielczuk et al. (2014)
Portugal
Aveiro Albergaria-a-Velha Branca ⓘ Palhal Mine	[Gahnite] Marques de Sá et al. (2010)
Braga Vieira do Minho Anjos e Vilar do Chão Muro Alto Mine ⓘ Western pegmatite	[Gahnite] Dias et al. (2009)
Guarda Gouveia Folgosinho ⓘ Sítio do Castelo Mine	[Gahnite] EV photo
Portalegre Alter do Chão ⓘ Cabeço de Vide ultramafic complex	[Hercynite] Dias et al. (2006)
Porto Amarante Rebordelo ⓘ Vieiros Mines	[Gahnite] Maijer 1965
Felgueiras Vila Cova da Lixa e Borba de Godim Borba de Godim Seixoso Mining Field ⓘ Seixoso Mine	[Gahnite] Frank K. Mazdab collection
Viana do Castelo ⓘ Ponte de Lima	[Gahnite]
Arcozelo ⓘ Cabanas Mine	[Gahnite]
Viana do Castelo Montaria ⓘ Serra de Arga	[Gahnite] Dias P et al. (2014)
Republic of the Congo
Lékoumou Department ⓘ Zanaga	[Hercynite, Hercynite var: Picotite] Bull. Soc. Franç. Minéralo. ...
Romania
Brașov County ⓘ Racoş (Racoşul de Jos)	[Hercynite] Szakáll
ⓘ Basalt quarry	[Hercynite] Szakáll et al. (2010)
Galați County Galați ⓘ Galați smelter	[Hercynite] HÎRTOPANU et al. (2014)
Harghita County ⓘ Ditrău Complex	[Hercynite] Pál Molnár (2000)
ⓘ Jolotca (Orotva)	[Hercynite, Hercynite var: Picotite] Szakáll et al. (2010)
Suceava County Iacobeni Tolovanu ⓘ Tolovanu (Tolovan) Mn deposit	[Gahnite] Hîrtopanu (1997) +1 other reference
Russia
Amur Oblast Urusha-Oldoi ore district ⓘ Berezitovy mine (Berezitovoe; Konstantinovskii)	[Gahnite] Nordgold
Bashkortostan Beloretsk district ⓘ Bolshoi Shatak ridge	[Hercynite, Hercynite var: Picotite] Kovalev et al. (2006)
Buryatia Baunt District ⓘ Veseloe	[Gahnite] Doroshkevich et al. (2007)
Okinsky District ⓘ Ulan-Sar’dag Ophiolite	[Hercynite, Hercynite var: Picotite] Kiseleva +3 other references
Severo-Baykalsky District Dovyren Highlands Yoko-Dovyrensky Massif ⓘ Bol’shoy (Big) stream	[Hercynite, Hercynite var: Picotite] Kislov +1 other reference
Chelyabinsk Oblast ⓘ Chelyabinsk coal basin	[Hercynite] Cesnokov et al. (1998)
Kaslinsky District Kasli ⓘ Potaniny Gory	[Gahnite] webmineral.ru (2021)
Miass ⓘ Pit No. 418	[Gahnite] Sorokina et al. (2019)
ⓘ Mount Karandash	[Hercynite] Victor Grigorievich Korinevsky et al. (16)
Chukotka Autonomous Okrug Anadyrsky District Iomrautvaam massif ⓘ Khatyrka meteorite	[Hercynite] Ma et al. (2016)
Irkutsk Oblast ⓘ Goltsovoe Li deposit (Gol'tsy; Goltsovskoe)	[Gahnite] webmineral.ru (2021)
Kamchatka Krai Milkovsky District ⓘ Tolbachik Volcanic field	[Gahnite] Sandalov et al. (2023)
Great Fissure eruption (Main Fracture) Northern Breakthrough (North Breach) Second scoria cone ⓘ Arsenatnaya fumarole	[Gahnite] doi.org (n.d.) +1 other reference
Mountain 1004 ⓘ Southern fumarole field	[Gahnite] Shchipalkina et al. (2020)
ⓘ Western paleo-fumarole field	[Gahnite] Pekov et al. (2018)
Yelizovsky District ⓘ Avachinsky volcano (Avacha volcano; Avachinskaya Sopka)	[Hercynite, Hercynite var: Picotite] Kaminsky et al. (2016)
Kemerovo Oblast Gornaya Shoria Region Tashelga River ⓘ Tashelginskoye Fe-(Co) deposit	[Hercynite] Коноваленко et al. (2012)
Khabarovsk Krai Ayano-Maysky district ⓘ Konder alkaline-ultrabasic massif	[Gahnite] Lennikov et al. (2004)
Verkhnebureinsky District ⓘ Badzhalski ore District	[Gahnite] Alekseev et al. (2015)
ⓘ Grustnoe deposit	[Gahnite] Alekseev et al. (2017)
ⓘ Vostochnoe deposit	[Gahnite] Alekseev et al. (2017)
Komi Republic Kozhim River Basin Maldynyrd range (Maldy-nyrd range) Grubependity Lake ⓘ Grubependity Lake cirque	[Gahnite] Irina V. Kozyreva data
Krasnoyarsk Krai Taymyrskiy Autonomous Okrug Taimyr Peninsula ⓘ Khungtukun Massif	[Hercynite] Frank K. Mazdab collection (see https://www.rockptx.com/fkm-226-to-fkm-250/#FKM-226 for normalized analyses) +1 other reference
Taymyrsky Dolgano-Nenetsky District Kureika river Dzheltul'skii massif (Dzhaltul) ⓘ Ozernaya Mount	[Hercynite] Ryabov et al. (2013)
ⓘ Popigai impact crater (Popigai impact structure)	[Hercynite] Vishnevsky et al. (1999)
Kurgan Oblast ⓘ Kargapole meteorite	[Hercynite] Erokhin et al. (2017, December)
Lipetsk Oblast Stanovlyanskiy Rayon ⓘ Ozerki meteorite	[Hercynite] Goryunov et al. (2023)
ⓘ Moscow	[Gahnite] Pavel M. Kartashov's analytical data
Moscow Oblast Dmitrovsky District ⓘ Iksha	[Gahnite] Pavel M. Kartashov analytical data 2025
Murmansk Oblast ⓘ Eveslogchorr Mt	[Gahnite, Hercynite] Ivanyuk et al. (2007)
ⓘ IGC Stop 4-3	[Hercynite] Arzamastsev et al. (2008)
Kandalakshsky District ⓘ Kovdozero complex	[Hercynite] Barkov et al. (2026)
ⓘ Kaskasnyunchorr Mountain	[Hercynite] Ivanyuk et al. (2007)
ⓘ Khibiny Massif	[Hercynite] Olga Yakovleva et al. (2009)
Kolsky District ⓘ Annama meteorite	[Hercynite] Goryunov et al. (2023)
ⓘ Kemer meteorite	[Hercynite] Goryunov et al. (2023)
ⓘ Tepsi ultrabasic body	[Hercynite]
ⓘ Kukisvumchorr Mt	[Hercynite] Menshikov et al. (2015)
ⓘ Svintsovyi Ruchei (Lead Creek)	[Hercynite] Shlyukova Z.V. (1986) +1 other reference
ⓘ Lovnoozero deposit	[Hercynite] Orsoev et al. (1985)
Lovozersky District Keivy Mountains Western Keivy Massif ⓘ Ploskaya Mountain	[Gahnite] Voloshin A.V. et al. (1986)
Monchegorsk ⓘ Sopcheozerskoe deposit (Sopcheozero)	[Hercynite, Picotite var: Chrompicotite] Mokrushin et al. (2021)
Northern Karelia ⓘ Alakurtti pegmatite	[Gahnite] [World of Stones 95:5-6 +1 other reference
ⓘ Vozhminskii Massif (Vozhmin)	[Hercynite, Picotite var: Chrompicotite] Rudashevskii N S et al. (1982)
ⓘ Partomchorr Mountain	[Hercynite] Shlyukova Z.V. (1986) +1 other reference
ⓘ Poachvumchorr Mountain	[Hercynite] Ivanyuk et al. (2007)
Tersky District ⓘ Kolvitsa Fe-Ti-V deposit	[Hercynite] Serov et al. (2024)
ⓘ Yukspor Mountain	[Hercynite] Ivanyuk et al. (2007)
ⓘ Yum'echorr Mt (Yumjechorr)	[Hercynite] Ivanyuk et al. (2007)
ⓘ Ol’khon ophiolite	[Hercynite] Sklyarov +5 other references
Orenburg Oblast Alexandrovsky District ⓘ Kolkhoznyi Prud Paleoplacer	[Hercynite, Picotite var: Chrompicotite] Rakhimov et al. (2022)
Primorsky Krai Olginsky District ⓘ Taukha terrane	[Hercynite] Kazachenko et al. (2013)
Republic of Karelia Loukhsky District Oulanka plutonic complex Olanga River (Oulanka River) ⓘ Lukkulaisvaara ultrabasic Massif (Lukkulaisvaara pluton; Lukkulaisvaara layered intrusion)	[Hercynite] Barkov et al. (2001)
ⓘ Nadezhda PGM deposit	[Hercynite] Barkov et al. (2004)
Tedino Dyadino lake ⓘ Dyadina Gora	[Hercynite] Pavel M. Kartashov (n.d.)
Pitkyarantsky District Kitelya ⓘ Kitelskoe Sn-Zn deposit	[Gahnite] V.A. Gorelov (1997)
Sakha Abyysky District ⓘ Kuranakh ore field	[Hercynite] Trunilina et al. (2021)
Mirninsky District Daldyn ⓘ Udachnaya open-pit mine (Udachnaya-Vostochnaya pipe; Udachnaya pipe)	[Hercynite, Hercynite var: Picotite] M. Kamenetsky et al. +6 other references
Sakhalin Oblast Kuril Islands Kurilsky District Iturup Island ⓘ Kudriavy volcano	[Hercynite] Africano et al. (2003) +1 other reference
Sverdlovsk Oblast Adui Batholith ⓘ Semininskaya mine	[Gahnite] Vital'Evna (2021)
Karpinsk Urban Okrug ⓘ Serebryansky Kamen massif	[Hercynite] Mikhailov et al. (2021)
Prigorodny District Yuzhakovo Alabashka pegmatite field ⓘ Kazennitsa vein (Kazionnitsa)	[Gahnite] webcenter.ru (2002)
Rezhevsky District Lipovsk pegmatite field ⓘ Lipovka Mine (Lipovskoe Mine; Lipovskaya Mine; Lipovaya Mine)	[Gahnite] Igor.V. Pekov (2008)
ⓘ Syum-Keu Ophiolite Massif	[Hercynite, Hercynite var: Picotite] Shabutdinov et al. (2024)
Zabaykalsky Krai Nerchinsky District Adun-Cholon Range ⓘ Sherlova Gora	[Gahnite] Kasatkin et al. (2014)
Tungokochensky District Vershino-Darasunskiy ⓘ Talatui Au deposit	[Hercynite] Prokof’ev et al. (2007) +1 other reference
Saudi Arabia
'Asir Region ⓘ Kutam Cu-Zn Deposit	[Gahnite] Charles W. Smith et al. (1976)
Medina Region ⓘ Khamal Layered Mafic Intrusion	[Hercynite] Abuamarah et al. (2023)
Serbia
Central Serbia Mačva District Šabac ⓘ Cer Mountain (Mt. Cer)	[Gahnite] Huska et al. (2015)
Raška District Raška Kopaonik ⓘ Korlace deposit	[Hercynite, Picotite var: Chrompicotite] Milojkovic (1977)
Slovakia
Banská Bystrica Region Lučenec District Čamovce ⓘ Unnamed stone quarry	[Hercynite] Reato et al. (2022)
ⓘ Mašková	[Hercynite, Hercynite var: Picotite] Koděra (1986)
Poltár District ⓘ Málinec	[Hercynite, Hercynite var: Picotite] Koděra (1986)
Bratislava Region Bratislava Bratislava IV Devín ⓘ Jezuitské Lesy	[Gahnite] Chudík et al. (2009)
Dúbravka ⓘ Švábsky hill	[Gahnite] Števko M. et al. (2012)
Pezinok District ⓘ Modra	[Gahnite] Koděra (1986)
Pezinok Slnečné Valley ⓘ Alluvial placers	[Gahnite] Uher et al. (n.d.)
Košice Region Košice-okolie District ⓘ Hodkovce	[Hercynite] Koděra (1986)
ⓘ Rudník	[Hercynite, Hercynite var: Picotite] Koděra (1986)
ⓘ Rudník serpentinite body	[Hercynite] Grecula (1995)
Rožňava District Dobšiná ⓘ Dobšiná mining district	[Hercynite, Hercynite var: Picotite] Pauliš et al. (2002)
ⓘ Danková serpentinite body	[Hercynite, Picotite var: Chrompicotite] Háber et al. (Dankova, SGR Mnts)
ⓘ Teliatko serpentinite body	[Hercynite, Picotite var: Chrompicotite] Pauliš et al. (2002)
Prešov Region Prešov District Gregorovce ⓘ Hubošovce quarry	[Hercynite] Myšľan et al. (2024)
Záhradné ⓘ Záhradné quarry	[Hercynite] Myšľan et al. (2024)
Vranov nad Topľou District Vechec ⓘ Vechec quarry	[Hercynite] Myšľan et al. (2024)
Trnava Region Piešťany District ⓘ Moravany nad Váhom	[Gahnite] Uher et al. (Považský Inovec) +1 other reference
ⓘ Striebornica	[Gahnite] Uher P. +1 other reference
Žilina Region Liptovský Mikuláš District Východná ⓘ Nižný Chmelienec Valley	[Hercynite, Hercynite var: Picotite] Koděra (1986)
South Africa
KwaZulu-Natal Ugu District Municipality ⓘ Marble Delta	[Hercynite] Cairncross et al. (1995)
Limpopo Capricorn District Municipality Blouberg Local Municipality Waterberg project ⓘ F-Zone	[Hercynite] McCreesh et al. (2018)
Waterberg District Municipality Mogalakwena Local Municipality Mokopane Mogalakwena Mine ⓘ Sandsloot Mine	[Hercynite, Hercynite var: Picotite] Armitage et al. (2002)
Turfspruit farm ⓘ Flatreef deposit	[Hercynite] Grobler et al. (2019)
Northern Cape Namakwa District Municipality Kamiesberg Local Municipality ⓘ Bok se Puts Farm	[Hercynite] Moore et al. (1990)
Khâi-Ma Local Municipality ⓘ Aggeneys	[Gahnite] Spry (1987) +1 other reference
ⓘ Black Mountain (Swartberg mine)	[Gahnite] Rudnick et al. (2013) +1 other reference
ⓘ Broken Hill Mine	[Gahnite] [AmMin 85:1562]
ⓘ Gamsberg zinc mine	[Gahnite] Rozendaal et al. (2017)
Pixley ka Seme District Municipality Siyathemba Local Municipality Copperton ⓘ Prieska copper mine (Copperton deposit)	[Gahnite] Cairncross et al. (1995)
Western Cape West Coast District Municipality Matzikama Local Municipality ⓘ Steenkampskraal Mine	[Hercynite] Paper No. 132–134. +2 other references
ⓘ Witwatersrand goldfield	[Hercynite var: Picotite] Cairncross et al. (1995)
Spain
Andalusia Almería Níjar El Hoyazo ⓘ Rambla de las Granatillas	[Hercynite] Stefan Schorn specimen (Groebner analysis) +1 other reference
Málaga Cártama ⓘ Doña Ana quarries ?	[Hercynite, Hercynite var: Picotite] Alejandro Sánchez Jiménez
Estepona ⓘ Los Reales	[Hercynite, Hercynite var: Picotite] Romero Silva (2003)
Ronda Massif ⓘ Arroyo de la Cala	[Hercynite, Hercynite var: Picotite] Romero Silva (2003)
Basque Country Biscay Valle de Trápaga (Trapagaran) ⓘ Oiola archeological site	[Hercynite] Portillo-Blanco +5 other references
Castile-La Mancha Albacete Elche de la Sierra ⓘ Cerro Morote	[Hercynite] Abad +3 other references
Hellín Cancarix lamproite intrusion ⓘ Sierra de las Cabras	[Hercynite, Hercynite var: Picotite] Salvioli-Mariani et al. (1996)
Catalonia Girona Alt Empordà Cadaqués ⓘ Cap de Creus	[Gahnite] Bareche (2005)
ⓘ El Port de la Selva	[Gahnite] & locality references +1 other reference
Lleida Aran (Val d'Aran; Aran Valley) Arres ⓘ Victoria Mine	[Gahnite] Calvo (2009) +1 other reference
Ceuta ⓘ Monte Hacho	[Hercynite, Hercynite var: Picotite] J. Kornprobst: "Petrographical study of ...
Extremadura Cáceres ⓘ Belvis de Monroy	[Gahnite] Merino et al. (2013)
Galicia A Coruña Santiago de Compostela Aríns ⓘ Fornás Mine	[Gahnite, Hercynite] ATLANTI et al. (1983)
Touro ⓘ Fornas deposit	[Gahnite] ATLANTI et al. (1983)
Lugo Ourol ⓘ Unnamed pegmatite outcrop	[Gahnite] Calvo Rebollar (2018)
Pontevedra Gondomar Vincios Galiñeiro Complex ⓘ Santa Marina Mine	[Gahnite] Calvo (2009)
Murcia Cartagena Tallante Cabezo Negro de Tallante ⓘ Basalt outcrop (3)	[Hercynite] Eur. J. Mineral.
Jumilla La Celia lamproite outcrops ⓘ Nuestra Señora del Carmen Mines	[Hercynite, Hercynite var: Picotite] Salvioli-Mariani et al. (1996)
Sri Lanka
Sabaragamuwa Province Ratnapura District Embilipitiya Kolonne ⓘ Katukubura Hills	[Hercynite] Müller et al. (2006)
ⓘ Ratnapura	[Hercynite]
ⓘ Gem gravels	[Gahnite] Ceylon Aluvial Mine (Book, Co. 2002)
ⓘ Kaluganga valley	[Hercynite] King (n.d.)
Western Province Colombo District ⓘ Homagama pegmatite	[Gahnite] Grew +5 other references
Sweden
Dalarna County Falun ⓘ Broddbo	[Gahnite] Nordstrom (1872)
ⓘ Falun mine	[Gahnite] [ZK 120 (1964) +4 other references
ⓘ Näverberg mines	[Gahnite]
ⓘ Näverberg mine	[Gahnite] Stenberg (2005)
Svärdsjö Svartvik Mines ⓘ Bovik Mine	[Gahnite]
Gagnef ⓘ Dunderberget	[Gahnite]
Hedemora Garpenberg ⓘ Garpenberg Norra Mine	[Gahnite] Nysten (2003)
ⓘ Garpenberg Södra Mine	[Gahnite] Öhman et al. (2000)
ⓘ Lappberget deposit	[Gahnite] Tiu (2019)
ⓘ Ryllshyttan	[Gahnite]
Leksand ⓘ Flobergsgruvan	[Gahnite]
ⓘ Rolandsstrecket	[Gahnite]
Ludvika ⓘ Saxberget ore field	[Gahnite, Hercynite]
Säter Öster Silvberg mining district ⓘ Öster Silvberg Mines	[Gahnite] Geijer (1965)
ⓘ Skvasselbo	[Gahnite] Geijer (1965)
Smedjebacken ⓘ Väster Silvberg	[Gahnite]
ⓘ Dammberg Mine	[Gahnite]
ⓘ Stollberg orefield	[Gahnite] Jansson et al. (2013)
Gävleborg County Ljusdal Los ⓘ Mansjöberg Limestone Quarries	[Hercynite, Hercynite var: Picotite]
ⓘ Snuggens copper mine	[Gahnite] Dana 6:A2:43.
Jönköping County Jönköping Månsarp ⓘ Smålands Taberg	[Gahnite]
Vetlanda Fröderyd ⓘ Årset silver mine	[Gahnite]
ⓘ Fredriksberg ore field	[Gahnite] Wilke (1997)
ⓘ Karl XV mine	[Gahnite] J.Mansfeld.: ...
Norrbotten County Älvsbyn ⓘ Laver Mine ?	[Gahnite] Entered without references
Arjeplog ⓘ Paije Sartajaur	[Hercynite, Hercynite var: Picotite] Eichstädt (1884)
Örebro County Askersund Zinkgruvan ⓘ Zinkgruvan mine	[Gahnite] Sandström et al. (2011)
Hällefors Grythyttan ⓘ Hasselhöjden	[Gahnite] Gatedal (n.d.)
Östergötland County Åtvidaberg ⓘ Åtvidaberg Mining Field	[Gahnite]
Finspång Doverstorp ore field ⓘ Sätra Mine	[Gahnite] Oudin et al. (1982)
Södermanland County Nyköping Tunaberg ⓘ Hultebo mine	[Gahnite] NJMAh 165
Värmland County Filipstad ⓘ Gåsborn	[Hercynite] Damman (1989)
Långban Ore District ⓘ Lahäll Mines	[Gahnite] Gatedal (n.d.)
ⓘ Långban Mine	[Gahnite] Holtstam et al. (1999) +1 other reference
ⓘ Garden dump	[Gahnite] Gatedal et al. (2003)
Nordmark mining district Jakobsberg ore field ⓘ Jakobsberg Mine	[Gahnite, Gahnite var: Manganese-bearing Gahnite]
ⓘ Nordmark Odal Field	[Gahnite] Gatedal (n.d.)
Persberg ore district ⓘ Gåsgruvan ore field	[Gahnite] Sandström et al. (2009)
ⓘ Koberg Zinc Mine	[Gahnite] Sandström et al. (2009)
ⓘ Gåsgruvan Quarry	[Gahnite] Gatedal (n.d.)
Västerbotten County Lycksele ⓘ Svartliden Gold Mine (Svartliden)	[Hercynite] Johan Söderhielm
Norsjö ⓘ Bjurliden	[Gahnite] Frank K. Mazdab collection +2 other references
Västmanland County Arboga ⓘ Jädersbruk	[Gahnite] Sandahl +1 other reference
Switzerland
Grisons Maloja Region Bregaglia Upper Val Bregaglia Val Forno ⓘ Cima di Vazzeda	[Hercynite] Stalder et al. (1998)
ⓘ Forno glacier	[Hercynite] Stalder et al. (1998)
ⓘ Monte del Forno	[Hercynite] Stalder et al. (1998)
Prättigau/Davos Region Davos Wolfgang ⓘ Tot Alp	[Hercynite, Hercynite var: Picotite] Stalder et al. (1998)
ⓘ Weissfluh pass	[Hercynite, Hercynite var: Picotite] Stalder et al. (1998)
Ticino Locarno Brissago ⓘ Ponte Valley	[Gahnite] Stalder et al. (1998)
Centovalli ⓘ Gridone - Monte Limidario area	[Hercynite] Weiβ et al. (2007)
Valais Goms Bellwald Fürgangen ⓘ Lamma (Lamme)	[Gahnite] Stalder et al. (1998)
Leuk Turtmann-Unterems Turtmann Valley ⓘ Barrhorn series outcrops	[Gahnite]
ⓘ Brunegg pass	[Gahnite] Ansermet (2012)
Sierre Anniviers Grimentz Moiry Valley ⓘ Moiry Glacier	[Hercynite] Ansermet (2012)
ⓘ Pointe du Tsaté	[Hercynite] Ansermet (2012)
Taiwan
Hualien County Shoufeng Township ⓘ Fengtien nephrite belt	[Hercynite, Hercynite var: Picotite] Zhengzhang Tao (1992)
Tajikistan
Sughd Ayni District Fan-Jagnob coal deposit ⓘ Kukhi-Malik tract	[Hercynite] Sharygin et al. (2009)
Tanzania
Arusha Region Longido District ⓘ Mundarara Mine	[Hercynite] Frank K. Mazdab collection
Muriatata hills ⓘ Ruby occurrence	[Hercynite, Hercynite var: Picotite] Yang +2 other references
Monduli District Lashaine volcano ⓘ Peridotite xenoliths	[Hercynite, Hercynite var: Picotite] DAWSON (2002)
ⓘ Monduli volcano	[Hercynite, Hercynite var: Picotite] Lee et al. (2000)
Morogoro Region Malinyi District ⓘ Ligama Hill	[Hercynite] Maaskant et al. (1980)
Thailand
Kanchanaburi Province Bo Phloi District Bo Phloi Gem mines ⓘ Kao Chon Kai deposit	[Hercynite] Färber (n.d.)
Togo
Centrale Region Sotouboua Prefecture Lalamila ⓘ Iron ore prospect	[Gahnite] Togbe (2008)
Turkey
Bursa Province Kestel District ⓘ Bursa meteorite	[Hercynite] Goryunov et al. (2023)
İzmir Province Selçuk District Efes ⓘ Gumuch-dagh	[Gahnite] Smith J L (1851)
Kastamonu Province Hanönü District ⓘ Elekdağ metaophiolite	[Hercynite] Günay et al. (2016)
Uganda
Northern Region Kotido ⓘ Labwor Hills	[Hercynite] Eur. J. Mineral.
UK
England Cornwall Mawgan-in-Meneage ⓘ Goonhilly Downs	[Hercynite] Golley et al. (1995)
Derbyshire Derbyshire Dales District Blackwell in the Peak ⓘ Calton Hill Quarry	[Hercynite, Hercynite var: Picotite] Ford et al. (1993)
Scotland Outer Hebrides Isle of Lewis and Harris Harris ⓘ Chiapaval	[Gahnite] O. von Knorring and R. Dearnley (1960) +1 other reference
Perth and Kinross Comrie ⓘ Comrie contact aureole	[Hercynite] Helmers et al. (1988)
Ukraine
Cherkasy Oblast Zvenyhorodka Raion ⓘ Kapitanov Cr deposit	[Hercynite] Gornostayev et al. (2002)
Kirovohrad Oblast Holovanivsk Raion ⓘ Stankuvatske Li-deposit	[Gahnite] Kurylo et al. (2022) +1 other reference
Odesa Oblast Podilsk Raion ⓘ Maiskoe gold deposit (Mayske)	[Gahnite] Mudrovska et al. (2005) +2 other references
Zaporizhia Oblast Pryazovske Raion Eliseevka Eliseevskoe pegmatite field ⓘ Zelenaya Mogila pegmatite	[Gahnite] Lazarenko E.K. e.a. Mineralogy of ...
Zhytomyr Oblast Korosten Raion ⓘ Perzhanskoe ore field (Perga Be deposit)	[Gahnite] Pavel M. Kartashov (n.d.)
USA
Alaska Prince of Wales-Hyder Census Area Ketchikan Mining District Prince of Wales Island ⓘ Green Monster Mountain	[Hercynite] Toland (2004)
ⓘ Khayyam Mine (Kiam Mine)	[Gahnite] Econ Geol (1988)
ⓘ Stumble-On Mine (Mammoth prospect)	[Gahnite] Econ Geol (1988)
Yukon-Koyukuk Census Area Hot Springs Mining District ⓘ Deep Creek and tributaries Mine	[Hercynite, Hercynite var: Picotite] - (2008)
Arizona Gila County ⓘ Rice	[Hercynite] Anthony et al. (1995)
San Carlos ⓘ Peridot Mesa (Peridot occurrence 38)	[Hercynite] Uchida et al. (2005)
Yavapai County Eureka Mining District Bagdad ⓘ Bruce Mine ?	[Gahnite] Daniel Hummer Collection
Arkansas Hot Spring County ⓘ Magnet Cove	[Hercynite] Jesse Crawford
ⓘ Jones Mill Quarry	[Hercynite] Berger et al. (2009)
ⓘ Kimzey Calcite Quarry (Calcite Hill)	[Hercynite] Rocks & Min.: 63:109. +1 other reference
California Lassen County Lassen Volcanic National Park ⓘ Cinder Cone	[Hercynite, Hercynite var: Picotite] Diller (1891) +2 other references
Mariposa County Green Mountain Mining District (Ben Hur Mining District) Green Mountain ⓘ Good View Mine (Goodview Mine; Copper King claim; Copper King and M. S. Mine; Little Giant claim; Stonewall Jackson claim; Crown Point claim; San Jose claim; Rothschild claim; S. A. claim; Sunset claim)	[Gahnite] Kent England
Monterey County Santa Lucia Mts (Santa Lucia Range) Los Burros Mining District Burro Mountain ⓘ Burro Mountain ultramafic complex	[Hercynite] Page (1967) +3 other references
Placer County Rocklin Mining District (Loomis Mining District) ⓘ Rocklin	[Hercynite, Hercynite var: Picotite] Hanks (1884) +2 other references
Riverside County Jurupa Valley Crestmore ⓘ Crestmore quarries	[Gahnite, Hercynite] [micromounts@yahoogroups.com]
San Diego County Mesa Grande Mining District Gem Hill ⓘ Himalaya Mine	[Gahnite] Foord (1977)
Pala Mining District Pala Chief Mountain ⓘ Elizabeth R. Mine (Hazel W. claim)	[Gahnite] Heimann et al. (2016)
ⓘ Pala Chief Mine	[Gahnite] Heimann et al. (2016)
ⓘ Tourmaline Queen Mountain (Pala Mtn; Queen Mtn)	[Gahnite, Hercynite] Jahns et al. (1951)
Rincon Mining District Rincon Rincon Mountain ⓘ Mack Mine (John Mac mine; Mac mine; San Luis Rey claim) ?	[Gahnite] King (n.d.)
San Luis Obispo County Santa Lucia Mts (Santa Lucia Range) Cerro Alto ⓘ Sweetwater Mine	[Hercynite, Hercynite var: Picotite] - (2005)
Santa Barbara County ⓘ San Rafael Mountains	[Hercynite, Hercynite var: Picotite] Murdoch (1966)
Siskiyou County ⓘ Mount Shasta	[Hercynite, Hercynite var: Picotite] Wadsworth (1882) +4 other references
Yolo County Coast Ranges Knoxville Mining District Knoxville area ⓘ Harrison Mine (New England Mine; Grizzly Mine; January Mine; Ruby Mine)	[Hercynite, Hercynite var: Picotite] - (2005)
Colorado Chaffee County ⓘ Cinderella	[Gahnite] Berke et al. (2023)
Cleora Mining District ⓘ Bonus Extension Mine	[Gahnite] Eckel et al. (1997)
Monarch Mining District ⓘ Bon Ton Mine	[Gahnite] - (1984) +3 other references
ⓘ Cindarella No. 7 claim	[Gahnite] Eckel et al. (1997) +2 other references
ⓘ Evergreen	[Gahnite] The Canadian Mineralogist Vol. 43 (2005)
Sedalia Mining District ⓘ Sedalia Mine (Sedalia Copper Mine)	[Gahnite, Hercynite] U.S. Geological Survey Professional ... +4 other references
Turret Mining District ⓘ Ace High - Jackpot Prospect	[Gahnite] - (2005) +2 other references
ⓘ American Flag Mine	[Gahnite] - (2005)
ⓘ Azurite No. 1 claim	[Gahnite] Eckel et al. (1997)
ⓘ Independence Mine	[Gahnite] - (2005) +2 other references
ⓘ Unnamed Skarn	[Gahnite] Eckel et al. (1997)
Clear Creek County ⓘ Grover Mine (Grover pegmatite; Windsor)	[Gahnite, Hercynite] Meeves et al. (1966) +1 other reference
Lawson Mining District Idaho Springs ⓘ Crystal Mine	[Gahnite] Eckel et al. (1997)
Lower Clear Creek Area ⓘ Snyder; Saddleback Mtn.	[Gahnite] - (2005)
ⓘ Saddleback Mountain	[Gahnite] Meeves et al. (1966)
ⓘ Squaw Pass	[Gahnite] Eckel et al. (1997)
Custer County ⓘ Amethyst Prospect	[Gahnite] Eckel et al. (1997) +2 other references
ⓘ Marion Mine	[Gahnite] Eckel et al. (1997) +1 other reference
ⓘ Unnamed Prospect	[Gahnite] The Canadian Mineralogist Vol. 43 (2005)
Fremont County ⓘ Cotopaxi Mining District	[Gahnite] - (2005)
Cotopaxi ⓘ Mine Gulch	[Gahnite] Eckel et al. (1997)
ⓘ Cotopaxi Mine (Cotopaxi lode; Gumaer Mine; Fannie lode; Fannie Mill)	[Gahnite] Am Min 50:1179-1212 +4 other references
ⓘ Dawson Gold project	[Gahnite] Zephyr Minerals Ltd.
Eight Mile Park Pegmatite Mining District ⓘ Eight Mile Park	[Gahnite] Eckel et al. (1997)
ⓘ Mica Lode Mine (Mica Hill Mine)	[Gahnite] Eckel et al. (1997)
ⓘ Grape Creek area	[Gahnite] Eckel et al. (1997)
Grape Creek Mining District (Greenhorn Mining District) Dawson Mountain ⓘ Unnamed prospect	[Gahnite] Eckel et al. (1997)
ⓘ El Plomo Mine	[Gahnite] Berke et al. (2023)
ⓘ Green Mountain Mine (Copper Boy Mine)	[Gahnite, Hercynite] - (2005) +3 other references
ⓘ Horseshoe Mine (School Section Deposit)	[Gahnite] - (2005) +1 other reference
Guffey Mining District (Freshwater Mining District) ⓘ Isabel Mine	[Gahnite] - (2005)
Iron Mountain complex ⓘ Iron Mountain	[Hercynite] Eckel et al. (1997)
Gilpin County ⓘ Central City Mining District (Central Mining District)	[Hercynite] Eckel et al. (1997)
Grand County ⓘ High Lonesome occurrence	[Gahnite] Eckel et al. (1997)
Gunnison County Gold Brick Mining District ⓘ Lucille Mine	[Gahnite] Eckel et al. (1997)
Goose Creek Mining District ⓘ Headlight Mine	[Gahnite] - (2005)
ⓘ Midland Mine	[Gahnite] Eckel et al. (1997)
ⓘ Yukon Mine	[Gahnite] Eckel et al. (1997)
Quartz Creek Pegmatite Mining District ⓘ Beryl and Rare Minerals Lode	[Gahnite] USGS Proffesional Paper 265
ⓘ Brown Derby Mine	[Gahnite] Am Min 50:96-104 +2 other references
ⓘ Brown Derby No. 1	[Gahnite] Bob Cobban +1 other reference
ⓘ Bucky pegmatite (New Anniversary; Willow Creek)	[Gahnite] USGS Proffesional Paper 265 +1 other reference
Tomichi Mining District (White Pine Mining District) ⓘ Denver City tunnel	[Gahnite] Eckel et al. (1997)
Jackson County Pearl Mining District ⓘ Caprock prospect	[Gahnite] Eckel et al. (1997) +3 other references
ⓘ Swede Group Mine (Round Top; Big Horn; Copper Queen)	[Gahnite] Eckel et al. (1997)
ⓘ Pearl Mine	[Gahnite] Eckel et al. (1997)
ⓘ Troutman Draw	[Gahnite] Eckel et al. (1997)
ⓘ Wolverine Mine	[Gahnite] Eckel et al. (1997)
Jefferson County Bergen Park area ⓘ Creswell Mine	[Gahnite] - (1984) +1 other reference
Clear Creek Pegmatite Province ⓘ Unnamed Rutile Occurrence (MRDS - 10090176)	[Gahnite] - (2005)
Evergreen Mining District (Malachite Mining District) ⓘ Evergreen area	[Gahnite] Spry et al. (2022)
ⓘ F.M.D. Mine	[Gahnite] Eckel et al. (1997)
ⓘ Hosa Lodge Mine	[Gahnite] Eckel et al. (1997)
ⓘ Squaw Pass quadrangle	[Gahnite] Eckel et al. (1997)
Larimer County Estes Park ⓘ Highway 34 roadcut	[Gahnite] Eckel et al. (1997)
ⓘ Medicine Bow Mountains	[Hercynite] Eckel et al. (1997)
Park County Guffey Mining District ⓘ Betty Mine (Lone Chimney Mine; Betty Lowe)	[Gahnite, Hercynite] Eckel et al. (1997) +2 other references
ⓘ Isabell Mine	[Gahnite] Eckel et al. (1997)
ⓘ Mill Gulch Mine	[Gahnite] Eckel et al. (1997)
Wilkerson Pass Area ⓘ prospect	[Gahnite] Eckel et al. (1997)
Routt County Clark ⓘ Greenville Mine (Greenville Shaft prospect)	[Gahnite] Eckel et al. (1997)
Connecticut Hartford County Glastonbury South Glastonbury ⓘ Hollister prospects	[Gahnite] Januzzi +1 other reference
ⓘ Simpson Quarry (Wiarda Quarry) ?	[Gahnite] Betts (1999)
Middlesex County East Hampton Cobalt ⓘ Great Hill cobalt mines	[Gahnite] Schooner (1958)
Haddam ⓘ Chrysoberyl locality	[Gahnite] Silliman (1829) +1 other reference
ⓘ Thulite locality	[Gahnite] Weber et al. (1995)
ⓘ Timms Hill (Tim's Hill; Iolite Hill)	[Gahnite] Foye (1922)
Portland Collins Hill Strickland pegmatite ⓘ Strickland Quarry ?	[Gahnite] Schooner (circa 1985)
ⓘ Nike prospect	[Gahnite] Schooner (1961)
ⓘ Pelton's Quarry	[Gahnite] Moritz (n.d.)
Georgia Carroll County ⓘ Bowdon Junction	[Gahnite] Rocks & Minerals (1988)
Cherokee County Canton ⓘ Canton Mine (Rich mine)	[Gahnite] Rocks & Min.:64:189 +1 other reference
Douglas County Villa Rica ⓘ Villa Rica Mine (Sulfur Mining & Railroad Company Pyrite Mine)	[Gahnite] Rocks & Min.: 64:194.
Lincoln County ⓘ Magruder Mine	[Gahnite] Rocks & Min.: Vol. 64.
Lumpkin County Dahlonega ⓘ Standard Mine (Singleton Mine; Dahlonega Mine; Boston Mine)	[Gahnite] Rocks & Min.: 64:200.
Paulding County Hiram ⓘ Little Bob Mine	[Gahnite] Rocks & Min.: 64:202.
Taliaferro County Georgia Manganese Company ⓘ Judge John C. Hart Mine	[Gahnite] Cook (1978)
Towns County Young Harris ⓘ Brasstown Creek	[Hercynite, Hercynite var: Picotite] Cook (1978)
Troup County ⓘ G. I. Bryan Property	[Hercynite, Hercynite var: Picotite] Van Gosen (2005)
Hawaii Honolulu County Oahu Island ⓘ Salt Lake Crater	[Hercynite] GEOLOGY +4 other references
Idaho Idaho County Maggie Creek Mining District ⓘ Kamiah Asbestos Mine	[Hercynite, Hercynite var: Picotite] - (2005)
Illinois Hardin County Hicks Hicks Dome ⓘ Hicks Dome deposit	[Hercynite] Carlson et al. (2021)
Vermilion County Hegeler ⓘ Hegeler Zinc smelter slag locality	[Gahnite] Piatak et al. (2010)
Kansas Decatur County ⓘ Leoville meteorite (Leoville CV3 chondrite)	[Hercynite] www.lpi.usra.edu (n.d.)
Maine Androscoggin County Auburn East Mount Apatite Mining District ⓘ Maine Feldspar Quarry	[Gahnite] Thompson et al. (1998)
West Mount Apatite Mining District ⓘ Groves Quarry (Hole in the Ground Quarry)	[Gahnite] King et al. (1994)
ⓘ Keith Quarry (Towne Quarry)	[Gahnite] Rocks & Min.: 9:15-16. +2 other references
ⓘ Pulsifer Quarry & Dionne extension	[Gahnite] Rocks & Minerals (1975) +1 other reference
ⓘ Wade Quarry (Androscoggin Tourmaline prospect) ?	[Gahnite] King et al. (1993)
Cumberland County Baldwin West Baldwin ⓘ Estes Quarry	[Gahnite] Thompson et al. (2000)
Hancock County Blue Hill - Castine Mining District Blue Hill ⓘ Douglass Copper Mine	[Gahnite] King et al. (1994)
ⓘ Townline and Route 172 Outcrops	[Gahnite] King et al. (1994)
Brooksville ⓘ Black Hawk Mine	[Gahnite] King et al. (1991) +1 other reference
Knox County Union ⓘ Harriman prospect	[Hercynite] Rainville et al. (1976)
ⓘ Vinalhaven	[Hercynite] keck.wooster.edu (n.d.)
Warren ⓘ Warren Nickel prospect	[Hercynite] W. B. Thompson et al. (2005)
Oxford County Greenwood ⓘ Morgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry)	[Gahnite] Maine Pegmatite Workshop 2004
ⓘ Noyes Mountain Quarry (Harvard Quarry)	[Gahnite] Guidebook 1 to Mineral Collecting in ... +3 other references
ⓘ Ohtonen Quarry	[Gahnite]
Uncle Tom Mountain ⓘ Emmons Quarry	[Gahnite] Falster et al. (2019)
ⓘ Witt Hill Chrysoberyl locality	[Gahnite] Thompson et al. (1998)
ⓘ Stoneham	Anderson
ⓘ Lord Hill Quarry (Lord Hill Mine)	[Gahnite] Thompson et al. (1998)
West Paris ⓘ Cobble Hill Quarry (George Howe prospect)	[Gahnite]
Sagadahoc County Bowdoin ⓘ Coombs Quarries	[Gahnite] Harvard Museum of Natural History spec. ...
Topsham ⓘ Fisher Quarry	[Gahnite] Clara Brennan et al. (2016)
ⓘ Staples Quarry	[Gahnite] King et al. (1994) +1 other reference
York County York ⓘ Mount Agamenticus Alkaline Syenite	[Hercynite] Gilman
Maryland Carroll County Finksburg Patapsco Mines ⓘ Patapsco Mine (Finksburg Mine; Orchard Mine)	[Gahnite] Rocks & Min.: 11: 27 & 121.
Louisville ⓘ Mineral Hill Mine	[Gahnite] Dana 7:I:264. +1 other reference
Sykesville ⓘ Springfield Mine (Mr. Tysons Mine; Sykesville Mine)	[Gahnite] Dana 6: 1071 +1 other reference
Howard County Scaggsville ⓘ Ben Murphy Mica Mine	[Gahnite] Mines of the Washington D.C Area
Montgomery County ⓘ Burtonsville	[Gahnite] Bernstein (1980)
Wheaton ⓘ Kensington Mica Mine (Gilmore Mine; B. H. Warner Mine)	[Gahnite] American Mineralogist (1926) +1 other reference
Massachusetts Franklin County Charlemont ⓘ Hawks Pyrite Mine (Mount Peak Mine)	[Gahnite] Flint (1908)
Rowe ⓘ Davis Pyrite Mine	[Gahnite] Rocks & Min.: 16:215. +1 other reference
Michigan Dickinson County Randville ⓘ Unnamed Pegmatite quarry ("Groveland" pegmatite)	[Gahnite] Buchholz et al. (2014)
Montana Lewis and Clark County Helena Mining District (Spring Hill Mining District) Helena ⓘ Crazy Sphinx Mine (Dry Gulch; Crazy Sphinx claim)	[Gahnite]
Stillwater County ⓘ Stillwater Complex Chromite deposit (Benbow Mine; Gish Mine; Mouat Mine)	[Hercynite, Hercynite var: Picotite] Gobla (2012)
Nevada Lyon County Singatse Range Yerington Mining District Ludwig ⓘ Ludwig Mine	[Gahnite] Castor et al. (2004)
Nye County ⓘ Yucca Mountain	[Gahnite] Castor et al. (2004)
New Hampshire Cheshire County Nelson ⓘ Osgood Graphite Mine	[Hercynite] Rumble et al. (1988)
Rockingham County Nottingham ⓘ Mount Pawtuckaway	[Hercynite]
New Jersey Sussex County ⓘ Franklin	[Gahnite] Vanuxem (1822) +2 other references
ⓘ Franklin Mine	[Gahnite] Dunn (1995) +1 other reference
ⓘ Buckwheat pit	[Gahnite] Dunn (1995)
ⓘ Mill site dump	[Gahnite] FOMS Millsite Committee (1986)
ⓘ Trotter Mine	[Gahnite] Palache (1935) +1 other reference
ⓘ Franklin Quarry	[Hercynite] Betancourt (The Picking Table, Vol. 27) +2 other references
ⓘ Franklin Marble	[Gahnite, Hercynite] Dunn (1995)
Ogdensburg Sterling Hill ⓘ Passaic pit (Marshall Mine; Passaic Mine)	[Gahnite] Moritz (n.d.) +3 other references
ⓘ Sterling Mine	[Gahnite] Metsger (1958) +2 other references
New Mexico Doña Ana County ⓘ Kilbourne Hole	[Hercynite] Northrop et al. (1996)
Mora County ⓘ Pidlite deposit	[Gahnite] Northrop et al. (1996)
Rio Arriba County ⓘ Petaca Mining District	[Gahnite] Northrop et al. (1996)
ⓘ La Madera Mountain	[Gahnite] King et al. (1991)
ⓘ Rociada Mining District	[Gahnite] Northrop et al. (1996)
Santa Fe County ⓘ Cerrillos District	[Gahnite] Northrop et al. (1996)
Taos County Picuris District ⓘ Harding Mine	[Gahnite] Jahns et al. (1977)
New York Essex County Keene Township ⓘ Keene	[Gahnite] www.nysam.org
Orange County Town of Warwick ⓘ Amity	[Hercynite] Yale Peabody Museum
St. Lawrence County Clifton Star Lake Benson ⓘ Benson Mines	[Hercynite] Petersen et al. (1989)
Tompkins County ⓘ Ithaca	[Hercynite, Hercynite var: Picotite] Jensen (1978)
Westchester County ⓘ Cortlandt Township	[Hercynite] Eur. J. Mineral.
Montrose ⓘ Crugers Emery Mine	[Hercynite] Manchester (1931) +1 other reference
North Carolina Alleghany County ⓘ Stratford	[Gahnite] Brannock (1971)
Ashe County Ore Knob ⓘ Ore Knob Mine	[Gahnite] Ross (1935)
Buncombe County ⓘ Thomas Mine (Balsam Gap kyanite location; Parkway kyanite location)	[Hercynite]
Cleveland County ⓘ Hawkins Branch Cassiterite occurrence (Meadow Creek occurrence)	[Gahnite] Agortino et al. (1985)
Davie County ⓘ Farmington Gabbro-Metagabbro Pluton	[Hercynite] McSween et al. (1984)
Jackson County Cullowhee ⓘ Cullowhee Mine	[Gahnite] Ross (1935)
ⓘ Savannah Mine	[Gahnite] Ross (1935)
ⓘ Wayhutta Mine (Way-Ye-Hutta Prospect; Waryhut Mine)	[Gahnite] Ross (1935)
ⓘ Macon County	[Gahnite]
ⓘ Cowee Ruby Mine	[Gahnite] Pratt (1933)
Cowee Valley Ellijay Mining District Franklin ⓘ Winding Stair Gap Roadcut	[Hercynite] EL-Shazley et al. (2011)
ⓘ Mason Mountain	[Gahnite] Heinrich (1950)
ⓘ Otto prospect (Little Coweetah prospect; Sheenah prospect)	[Gahnite] Ross (1935)
ⓘ Mecklenburg County	[Gahnite] Milton (1986)
ⓘ Mecklenburg Gabbro-Metagabbro Complex	[Hercynite] McSween Jr et al. (1984)
Mitchell County Deake ⓘ Deake Mine	[Gahnite] Dana 7:I:695 +1 other reference
Hawk-Bakersville ⓘ W. C. Burleson Mica Mine (Joe Stevenson Mine)	[Gahnite] Spry et al. (1986)
Penland ⓘ Deer Park Mine	[Gahnite] Rocks & Min.: 15:271.
Spruce Pine ⓘ Chalk Mountain Mine	[Gahnite] Rocks & Min.:60:85 (see also Dana 7:I:695)
ⓘ English Mine (English Knob Mine)	[Gahnite] Rocks & Min.: 15:271.
Rowan County ⓘ Barber Gabbro-Metagabbro Pluton	[Hercynite] McSween et al. (1984)
Watauga County ⓘ Elk Knob Mine	[Gahnite] Ross (1935)
Yancey County ⓘ Old Young Mine	[Gahnite] Ex: Philadelphia Academy of Science ...
Oregon Douglas County ⓘ Diamond Lake	[Hercynite] Russell et al. (1987)
Pennsylvania Chester County Pennsbury Township ⓘ Swain's Quarry	[Gahnite] Gordon (1922)
West Nottingham Township ⓘ Goat Hill Barrens	[Gahnite] Hower et al. (2024)
Delaware County Middletown Township ⓘ Sharpless' Quarry (Sharpless Quarry)	[Gahnite] Gordon (1922)
Lancaster County Conestoga Township Safe Harbor ⓘ Safe Harbor Quarry	[Hercynite] Tomlinson (1942)
Texas Culberson County Sierra Diablo ⓘ Cave Peak deposit	[Hercynite] Audétat (2010)
McLennan County ⓘ Axtell meteorite	[Hercynite] Caillet et al. (1995)
Utah Sevier County Koosharem Pine Canyon ⓘ Black Hawk claims	[Hercynite] Bullock (1981)
Vermont Windham County Rockingham ⓘ Bellows Falls	[Hercynite] serc.carleton.edu (n.d.)
Windsor County Bridgewater ⓘ Taggart Mine	[Gahnite] Nicolay & Stone (1967)
Virginia Amelia County ⓘ Amelia (Amelia Court House)	[Gahnite] Dietrich (1990)
ⓘ Rutherford Mines	[Gahnite] D. Grier
Appomattox County Andersonville ⓘ Andersonville Mine	[Gahnite]
ⓘ Brunswick County	[Gahnite] Owens et al. (2013)
Buckingham County Gold-Pyrite Belt New Canton ⓘ Hudgins Mine	[Gahnite] Rocks & Min.:60:165.
ⓘ Johnson Mine (Staples Mine)	[Gahnite] Rocks & Min.:60:165.
ⓘ Margaret Mine (Terrell Mine)	[Gahnite] Rocks & Min.: 60:165.
ⓘ McKenna Mine	[Gahnite] Rocks & Min.: 60:165.
ⓘ Grayson County	[Hercynite, Hercynite var: Picotite] Dietrich (1990)
Henry County ⓘ Fishers Dam	[Hercynite] Dietrich (1990)
ⓘ Sheffield Hill	[Hercynite] Dietrich (1990)
Louisa County Gold-Pyrite Belt ⓘ Cofer prospect (Piedmont Mineral Associates prospect)	[Gahnite] - (2005) +1 other reference
ⓘ Julia Mine (Julian Mine)	[Gahnite] Sandhaus et al. (1986)
Mineral ⓘ Arminius Mine	[Gahnite] - (2005)
ⓘ Sulphur Mine (Crenshaw Mine; Victoria Furnace Mine)	[Gahnite] Rocks & Min.: 60:167.
Lake Anna ⓘ Contrary Creek	[Gahnite] Robert C. Smith II Ph.D. P.G.
Pittsylvania County ⓘ Whittles Emery Deposits	[Hercynite] Dana 7:694
Rockingham County Harrisonburg area ⓘ Mole Hill Prospects	[Hercynite] Dietrich (1990)
Washington Snohomish County Darrington Mining District ⓘ Bedal Creek	[Hercynite] Cannon (1975)
Wisconsin Dodge County ⓘ Waterloo quarry (Michels Materials Waterloo quarry; Portland Quarry)	[Gahnite] Buchholz et al. (2003) +1 other reference
Rusk County Ladysmith ⓘ Flambeau Mine	[Gahnite] Jones +1 other reference
Wyoming Albany County Iron Mountain Mining District ⓘ Sybille pit (Sybille quarry)	[Hercynite] Farquhar et al. (8)
ⓘ Fremont County	[Gahnite] Rocks&Min 76:23-241
Bridger Mts (Bridger Range) ⓘ Copper Mountain pegmatite District	[Gahnite] Hausel et al. (2001)
Vietnam
Yên Bái Province Lục Yên District ⓘ An Phú	[Hercynite] Khoi et al. (2011)
Zambia
Central Province Chibombo District ⓘ Star zinc mine	[Gahnite] Boni et al. (2011)
Chitambo District ⓘ Kanona	[Gahnite] Handbook of Mineralogy Vol II p399
ⓘ Kanonaite type locality	[Gahnite] Vrána et al. (1978)
Copperbelt Province Lufwanyama District ⓘ Kafubu emerald mining district	[Gahnite] Wilson et al. (2010)
Lusaka Province Chilanga District ⓘ Excelsior prospect	[Gahnite] Boni et al. (2011)
Southern Province Choma District Choma ⓘ Semahwa prospect	[Gahnite] Kampunzu et al. (2009)
Zimbabwe
Mashonaland West Karoi District ⓘ Magondi belt	[Hercynite] Grew et al. (1997)
Matabeleland South Gwanda - Filabusi District ⓘ Vubachikwe Mine	[Gahnite] Saager et al. (1989)
The Moon	[Hercynite]
Fra Mauro Highlands ⓘ Fra Mauro Base (Apollo 14 landing site)	[Hercynite, Hercynite var: Picotite] El Goresy et al. (1971)
Taurus-Littrow Valley ⓘ Apollo 17 landing site	[Hercynite] Mokhov et al. (2018)