Corkite
A valid IMA mineral species - grandfathered
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About Corkite
Formula:
PbFe3+3(PO4)(SO4)(OH)6
Colour:
Brown to light yellowish brown, pale yellow, yellowish green to dark green
Lustre:
Vitreous, Sub-Vitreous, Resinous, Waxy, Greasy
Hardness:
3½ - 4½
Specific Gravity:
4.295
Crystal System:
Trigonal
Member of:
Name:
Named in 1869 by Gilbert-Joseph Adam after the first occurrence at County Cork, Ireland.
The phosphate analogue of beudantite with which a complete solid-solution range exists. The ferric iron analogue of hinsdalite. Also forms a solid solution with kintoreite.
An uncommon, low-temperature, secondary mineral occurring in the oxidised zones of hydrothermal base-metal deposits.
An uncommon, low-temperature, secondary mineral occurring in the oxidised zones of hydrothermal base-metal deposits.
Unique Identifiers
Mindat ID:
1130
Long-form identifier:
mindat:1:1:1130:9
Similar Names
| Coreite | A synonym of 'Agalmatolite' | |
| Cornite | A synonym of 'Petrosilex' | |
| Corsite | A synonym of 'Napoleonite' | |
| Crocoite | A valid IMA mineral species - grandfathered | PbCr6+O4 |
| Kirkiite | A valid IMA mineral species | Pb10Bi3As3S19 |
IMA Classification of Corkite
Approved, 'Grandfathered' (first described prior to 1959)
IMA Formula:
Pb2+Fe3+3(S6+O4)(PO4)(OH)6
Classification of Corkite
8.BL.05
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1
8 : PHOSPHATES, ARSENATES, VANADATES
B : Phosphates, etc., with additional anions, without H2O
L : With medium-sized and large cations, (OH, etc.):RO4 = 3:1
43.4.1.2
43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
43 : COMPOUND PHOSPHATES, ETC.
4 : Anhydrous Compound Phosphates, etc·, Containing Hydroxyl or Halogen
22.3.23
22 : Phosphates, Arsenates or Vanadates with other Anions
3 : Phosphates, arsenates or vanadates with sulphates
22 : Phosphates, Arsenates or Vanadates with other Anions
3 : Phosphates, arsenates or vanadates with sulphates
Mineral Symbols
As of 2021 there are now IMA–CNMNC approved mineral symbols (abbreviations) for each mineral species, useful for tables and diagrams.
| Symbol | Source | Reference for Standard |
|---|---|---|
| Cok | IMA–CNMNC | Warr, L.N. (2021). IMA–CNMNC approved mineral symbols. Mineralogical Magazine, 85(3), 291-320. doi:10.1180/mgm.2021.43 |
Pronunciation of Corkite
Pronunciation:
| Play | Recorded by | Country |
|---|---|---|
| Jolyon Ralph | United Kingdom |
Physical Properties of Corkite
Vitreous, Sub-Vitreous, Resinous, Waxy, Greasy
Transparency:
Transparent, Translucent
Colour:
Brown to light yellowish brown, pale yellow, yellowish green to dark green
Hardness:
3½ - 4½ on Mohs scale
Tenacity:
Brittle
Cleavage:
Perfect
On {0001}, perfect.
On {0001}, perfect.
Density:
4.295 g/cm3 (Measured) 4.31 g/cm3 (Calculated)
Optical Data of Corkite
Type:
Uniaxial (-)
RI values:
nω = 1.93 nε = 1.93 n = 1.93 - 1.96
Birefringence:
0.03
Surface Relief:
Very High (positive)
Relative to Canada balsam mounting medium (n ≈ 1.537).
Relative to Canada balsam mounting medium (n ≈ 1.537).
This shows the grain boundary and Becke line effect under plane-polarised
light, based on the contrast between this mineral's average refractive
index and the mounting medium. It does not take into account mineral
colouration.
In focus
Interference Figure:
This shows the idealized uniaxial interference figure - the conoscopic
(convergent-light, Bertrand-lens-in) view, for a grain cut with the optic axis
centred and vertical. The coloured rings are isochromatics, computed with the
same physics as the Michel-Lévy bar above; the dark cross is the isogyre.
For a genuinely uniaxial mineral viewed this way, that cross stays perfectly stationary if you rotate the stage - unlike a biaxial mineral, where it splits apart on rotation. That invariance is itself the standard diagnostic test for telling uniaxial and biaxial minerals apart at the microscope.
For a genuinely uniaxial mineral viewed this way, that cross stays perfectly stationary if you rotate the stage - unlike a biaxial mineral, where it splits apart on rotation. That invariance is itself the standard diagnostic test for telling uniaxial and biaxial minerals apart at the microscope.
Pleochroism:
Non-pleochroic
Comments:
Commonly anomalously biaxial, exhibiting lamellar structure.
Chemistry of Corkite
Mindat Formula:
PbFe3+3(PO4)(SO4)(OH)6
Element Weights:
Crystallography of Corkite
Crystal System:
Trigonal
Class (H-M):
3m(32/m) - Hexagonal Scalenohedral
Space Group:
R3m
Cell Parameters:
a = 7.3065(5) Å, c = 16.897(2) Å
Ratio:
a:c = 1 : 2.313
Unit Cell V:
781.2 ų
Z:
3
Morphology:
Pseudocubic. Crystals pseudocubic rhombohedral with prominent {1011}. Commonly in crusts, massive.
Comment:
Space group erroneously assumed to be R3m by Giuseppetti and Tadini (1987) (cell: 7.820, 16.821 A).
Crystal Structure
Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4
Show
Big Balls | Small Balls | Just Balls | Spacefill
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View
CIF File Best | x | y | z | a | b | c
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Rotation
Stop | Start
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Labels
Console Off | On | Grey | Yellow
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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) |
|---|---|---|---|---|---|---|---|
| 0014811 | Corkite | Giuseppe G, Tadini C (1987) Corkite, PbFe3(SO4)(PO4)(OH)6, its crystal structure and ordered arrangement of the tetrahedral cations Neues Jahrbuch fur Mineralogie, Monatshefte 1987 71-81 | 1987 | Dernbach, Hessen-Nassau, Germany | 0 | 293 | |
| 0014810 | Corkite | Giuseppe G, Tadini C (1987) Corkite, PbFe3(SO4)(PO4)(OH)6, its crystal structure and ordered arrangement of the tetrahedral cations Neues Jahrbuch fur Mineralogie, Monatshefte 1987 71-81 | 1987 | Dernbach, Hessen-Nassau, Germany | 0 | 293 |
CIF Raw Data - click here to close
X-Ray Powder Diffraction
Powder Diffraction Data:
| d-spacing | Intensity |
|---|---|
| 5.86 Å | (65) |
| 3.61 Å | (35) |
| 3.03 Å | (100) |
| 2.793 Å | (35) |
| 2.508 Å | (30) |
| 2.237 Å | (55) |
| 1.482 Å | (35) |
Comments:
ICDD 17-471
Geological Environment
Paragenetic Mode(s):
| Paragenetic Mode | Earliest Age (Ga) |
|---|---|
| Stage 7: Great Oxidation Event | <2.4 |
| 47a : [Near-surface hydration of prior minerals] | |
| 47b : [Sulfates and sulfites] | |
| 47c : [Carbonates, phosphates, borates, nitrates] |
Type Occurrence of Corkite
Place of Conservation of Type Material:
No designated type material.
Geological Setting of Type Material:
Manganese-Copper vein deposit.
Associated Minerals at Type Locality:
Synonyms of Corkite
Other Language Names for Corkite
Relationship of Corkite to other Species
Member of:
Other Members of Beudantite Group:
| Beudantite | PbFe3+3(AsO4)(SO4)(OH)6 | Trig. 3m(32/m) : R3m |
| Cloudite | BaFe3+3(PO4)(SO4)(OH)6 | Trig. 3m(32/m) : R3m |
| Gallobeudantite | PbGa3(AsO4)(SO4)(OH)6 | Trig. 3m : R3m |
| Hidalgoite | PbAl3(AsO4)(SO4)(OH)6 | Trig. 3m : R3m |
| Hinsdalite | PbAl3(PO4)(SO4)(OH)6 | Trig. 3m(32/m) : R3m |
| Kemmlitzite | SrAl3(AsO4)(SO4)(OH)6 | Trig. 3m(32/m) : R3m |
| Oberwolfachite | SrFe3+3(AsO4)(SO4)(OH)6 | Trig. 3m(32/m) : R3m |
| Slottaite | SrFe3+3(PO4)(SO4)(OH)6 | Trig. 3m(32/m) : R3m |
| Svanbergite | SrAl3(PO4)(SO4)(OH)6 | Trig. 3m(32/m) : R3m |
| 'UM2011-07-POSO:AlBaH' | BaAl3(PO4)(SO4)(OH)6 | |
| 'Unnamed (Fe-analogue of Weilerite and Ba-analogue of Oberwolfachite)' | BaFe3(AsO4)(SO4)(OH)6 | |
| Weilerite | BaAl3(AsO4)(SO4)(OH)6 | Hex. |
| Woodhouseite | CaAl3(PO4)(SO4)(OH)6 | Trig. 3m(32/m) : R3m |
Forms a series with:
Common Associates
Associations Based on Photo Data:
| 52 photos of Corkite associated with Goethite | Fe3+O(OH) |
| 28 photos of Corkite associated with Quartz | SiO2 |
| 23 photos of Corkite associated with Plumbogummite | PbAl3(PO4)(PO3OH)(OH)6 |
| 18 photos of Corkite associated with Pyromorphite | Pb5(PO4)3Cl |
| 17 photos of Corkite associated with Tsumebite | Pb2Cu(PO4)(SO4)(OH) |
| 10 photos of Corkite associated with Hinsdalite | PbAl3(PO4)(SO4)(OH)6 |
| 7 photos of Corkite associated with Plumbojarosite | Pb0.5Fe3+3(SO4)2(OH)6 |
| 6 photos of Corkite associated with Cerussite | PbCO3 |
| 6 photos of Corkite associated with Baryte | BaSO4 |
| 6 photos of Corkite associated with Carminite | PbFe3+2(AsO4)2(OH)2 |
Related Minerals - Strunz-mindat Grouping
| 8.BL. | Kiryuite | NaMnAl(PO4)F3 |
| 8.BL. | Metaheimite | PbCu2(AsO4)(OH)3 |
| 8.BL. | Graulichite-(La) | LaFe3+3(AsO4)2(OH)6 |
| 8.BL. | Cloudite | BaFe3+3(PO4)(SO4)(OH)6 |
| 8.BL. | Oberwolfachite | SrFe3+3(AsO4)(SO4)(OH)6 |
| 8.BL. | Arsenobenauite | SrFe3+3(AsO4)(AsO3OH)(OH)6 |
| 8.BL.05 | Gallobeudantite | PbGa3(AsO4)(SO4)(OH)6 |
| 8.BL.05 | Slottaite | SrFe3+3(PO4)(SO4)(OH)6 |
| 8.BL.05 | Hidalgoite | PbAl3(AsO4)(SO4)(OH)6 |
| 8.BL.05 | Hinsdalite | PbAl3(PO4)(SO4)(OH)6 |
| 8.BL.05 | 'UM2011-07-POSO:AlBaH' | BaAl3(PO4)(SO4)(OH)6 |
| 8.BL.05 | Kemmlitzite | SrAl3(AsO4)(SO4)(OH)6 |
| 8.BL.05 | Beudantite | PbFe3+3(AsO4)(SO4)(OH)6 |
| 8.BL.05 | Weilerite | BaAl3(AsO4)(SO4)(OH)6 |
| 8.BL.05 | Woodhouseite | CaAl3(PO4)(SO4)(OH)6 |
| 8.BL.05 | Svanbergite | SrAl3(PO4)(SO4)(OH)6 |
| 8.BL.10 | Segnitite | PbFe3+3AsO4(AsO3OH)(OH)6 |
| 8.BL.10 | Arsenogoyazite | SrAl3(AsO4)(AsO3OH)(OH)6 |
| 8.BL.10 | Arsenogorceixite | BaAl3(AsO4)(AsO3OH)(OH)6 |
| 8.BL.10 | Dussertite | BaFe3+3(AsO4)(AsO3OH)(OH)6 |
| 8.BL.10 | Galloplumbogummite | Pb(Ga,Al,Ge)3(PO4)2(OH)6 |
| 8.BL.10 | Stibiosegnitite | Pb(Fe3+2.5Sb5+0.5)(AsO4)2(OH)6 |
| 8.BL.10 va | 'Viséite' | |
| 8.BL.10 | Arsenocrandallite | CaAl3(AsO4)(AsO3OH)(OH)6 |
| 8.BL.10 | Benauite | SrFe3+3(PO4)(PO3OH)(OH)6 |
| 8.BL.10 | Philipsbornite | PbAl3(AsO4)(AsO3OH)(OH)6 |
| 8.BL.10 | Crandallite | CaAl3(PO4)(PO3OH)(OH)6 |
| 8.BL.10 | Springcreekite | BaV3+3(PO4)2(OH,H2O)6 |
| 8.BL.10 | Eylettersite | Th0.75Al3(PO4)2(OH)6 |
| 8.BL.10 | Kintoreite | PbFe3(PO4)(PO3OH)(OH)6 |
| 8.BL.10 | Plumbogummite | PbAl3(PO4)(PO3OH)(OH)6 |
| 8.BL.10 | Gorceixite | BaAl3(PO4)(PO3OH)(OH)6 |
| 8.BL.10 | Goyazite | SrAl3(PO4)(PO3OH)(OH)6 |
| 8.BL.13 | Florencite-(Ce) | CeAl3(PO4)2(OH)6 |
| 8.BL.13 | Florencite-(La) | LaAl3(PO4)2(OH)6 |
| 8.BL.13 | Florencite-(Nd) | NdAl3(PO4)2(OH)6 |
| 8.BL.13 | Zaïrite | BiFe3+3(PO4)2(OH)6 |
| 8.BL.13 | Arsenoflorencite-(La) | LaAl3(AsO4)2(OH)6 |
| 8.BL.13 | 'Arsenoflorencite-(Nd)' | NdAl3(AsO4)2(OH)6 |
| 8.BL.13 | 'Unnamed (As-analogue of Zaïrite)' | (Bi,Pb)Fe3+3(AsO4)2(OH)6 |
| 8.BL.13 | Arsenoflorencite-(Ce) | CeAl3(AsO4)2(OH)6 |
| 8.BL.13 | Graulichite-(Ce) | CeFe3+3(AsO4)2(OH)6 |
| 8.BL.13 | 'Arsenowaylandite' | BiAl3(AsO4)2(OH)6 |
| 8.BL.13 | Waylandite | BiAl3(PO4)2(OH)6 |
| 8.BL.13 | Florencite-(Sm) | SmAl3(PO4)2(OH)6 |
| 8.BL.15 | Viitaniemiite | Na(Ca,Mn2+)Al(PO4)(F,OH)3 |
| 8.BL.25 | Pattersonite | PbFe3+3(PO4)2(OH)5 · H2O |
Fluorescence of Corkite
Not Fluorescent
Other Information
Notes:
Readily soluble in warm HCl.
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
Internet Links for Corkite
mindat.org URL:
https://www.mindat.org/min-1130.html
Please feel free to link to this page.
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External Links:
Mineral Dealers:
References for Corkite
Reference List:
Dauber, H. (1857) Ueber Svanbergit und Beudantit. Annalen der Physik und Chemie, 176. 579-580 doi:10.1002/andp.18571760408(as Beudantite)
Hartley, E. G. J. (1900) Communications from the Oxford Mineralogical Laboratory. On the constitution of the natural Arsenates and Phosphates. Part IV.—Beudantite. Mineralogical Magazine and Journal of the Mineralogical Society, 12 (57) 234-238 doi:10.1180/minmag.1900.012.57.02
Miers, H. A. (1900) Note on the Hitchcockite, Plumbogummite and Beudantite analysed by Mr. Hartley. Mineralogical Magazine and Journal of the Mineralogical Society, 12 (57). 239-243 doi:10.1180/minmag.1900.012.57.03
Larsen, Esper S. (1921) The microscopic determination of the nonopaque minerals. Bulletin 679. US Geological Survey doi:10.3133/b679 p.47 - (as beudantite)
Scott, Keith M. (1987) Solid solution in, and classification of, gossan-derived members of the alunite-jarosite family, northwest Queensland, Australia. American Mineralogist, 72 (1-2) 178-187
de Bruiyn, H., Van Der Westhuizen, W. A., Beukes, G. J., Meyer, T. Q. (1990) Corkite from Aggeneys, Bushmanland, South Africa. Mineralogical Magazine, 54 (377) 603-608 doi:10.1180/minmag.1990.054.377.12
Jambor, John L. (1999) Nomenclature of the alunite supergroup. The Canadian Mineralogist, 37 (6). 1323-1341
Sato, Eriko, Nakai, Izumi, Miyawaki, Ritsuro, Matsubara, Satoshi (2009) Crystal structures of alunite family minerals: beaverite, corkite, alunite, natroalunite, jarosite, svanbergite, and woodhouseite. Neues Jahrbuch für Mineralogie - Abhandlungen, 185 (3) 313-322 doi:10.1127/0077-7757/2009/0128
Localities for Corkite
Showing 209 localities.
Locality List
- 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).
All localities listed without proper references should be considered as questionable.
Australia | |
| Rankin et al. (2002) |
| Graham et al. (2005) |
| Gilligan et al. (1995) |
| Birch et al. (1997) |
| Birch et al. (1997) |
| The Daydream Mine | |
| McLaughlan (1988) +1 other reference |
| |
| Lottermoser et al. (2008) |
| Miningdataonline +1 other reference |
| Nickel et al. (1993) |
| Nickel et al. (1993) | |
| Downes et al. (1998) |
Austria | |
| Kolitsch et al. (2019) |
| Kolitsch et al. (2026) |
| Niedermayr et al. (1995) |
| Auer et al. (2017) |
| Puttner (1994) +1 other reference | |
| Niedermayr et al. (1995) |
| Puttner (1994) | |
| Carinthia II (2017) |
| Mikl et al. (2014) |
| Kolitsch (2013) +1 other reference |
| Brandstätter et al. (2000) |
| Auer (2021) |
| Puttner (1998) +1 other reference |
| Auer (2020) |
| Jakely (2008) |
| Kolitsch (2015) |
Belgium | |
| Jockin (en collaboration avec l'université de Liège) +4 other references |
Bosnia and Herzegovina | |
| Palache et al. (1951) |
Bulgaria | |
| www.clmc.bas.bg (2003) |
| Kunov (1996) +1 other reference |
| Kunov et al. (1997) |
Burkina Faso | |
| Kříbek et al. (2016) |
Canada | |
| Watson et al. (1996) |
Chile | |
| Samples analysed by Dr. Jochen Schlüter (Hamburg University) |
| Maurizio Dini collection - analysed ... |
China | |
| Diankai Chen and Danshen Zhou (1984) |
| Diankai Chen and Danshen Zhou (1984) | |
Czech Republic | |
| Hloušek et al. (2002) |
| Šístek et al. (2009) |
| Pauliš Petr et al. (2012) |
| SEJKORA et al. (2026) | |
| Pauliš et al. (2022) |
France | |
| - (SEM-EDS analysed Chollet Pascal at "Laboratoire Magmas et Volcans" - Université Clermont Auvergne, CNRS, IRD, UJM) |
| Cuchet et al. (2000) |
| Boisson J.-M. et al. (2023) |
| Le Roc'h P. () |
| Gineste et al. (2026) |
| Georges FAVREAU collection & EDX ... |
| Lheur (2023) | |
| J.-P. Bourgarel collection. EDS by the ... |
| Favreau et al. (2013) |
| Georges FAVREAU collection and EDX ... |
Germany | |
| Walenta (1996) |
| Walenta (1992) +2 other references |
| Walenta (1992) +1 other reference |
| Weiß (1990) |
| Collection of Steffen Michalski |
| www.mineralienatlas.de (n.d.) |
| Weiß (1990) | |
| Weiß (1990) |
| Weiß (1990) |
| Weiß (1990) |
| Markus Gerstmann Collection (EDS-analysed) |
| Gröbner (2007) |
| Wittern (2001) |
| Schnorrer et al. (2008) |
| Wittern (2001) |
| Reinhardt et al. (2016) | |
| Johannes Markus Henrich +2 other references |
| Hucko et al. (2009) |
| Hucko (2010) | |
| www.mineralienatlas.de (2025) |
| Heckmann et al. (1990) |
| Graf et al. (1992) |
| Graf et al. (1992) |
| Weiß (1990) |
| Schnorrer-Köhler (1988) |
| Heckmann et al. (2005) |
| Weiß (1990) |
| Reinhardt et al. (2005) |
| Graf (1991) |
| Graf (1991) | |
| undefined |
| Graf (1991) |
| Markl (1990) |
| Lapis (9) |
| Markl (1987) +1 other reference |
| Wittern (2001) |
| Der Aufschluss Vol.55 |
| Palache et al. (1951) +3 other references |
| Gerhard Müller: Bergbau-PSL-Mineralogie et al. (Saarbrücken 1996) |
| Thomas Kleser Collection |
| Lapis 30 (7/8) |
| collection Joachim Esche |
| Wittern (2001) |
Greece | |
| NHM Vienna collection (SEM-EDS-analysed by Uwe Kolitsch) +2 other references |
Hungary | |
| HOM Database |
Ireland (TL) | |
| Palache et al. (1951) +1 other reference |
Italy | |
| Bortolozzi et al. (2015) +1 other reference |
| Bracco R. (2007) +1 other reference |
| collected by F. Castellaro and probed ... | |
| Castellaro-Kampf |
| Balestra et al. (2011) | |
| Vergani et al. (2020) |
| Vergani et al. (2020) |
| Piccoli et al. (2007) |
| Secco L. et al. (3) | |
| Piccoli et al. (2007) |
| ALBERTINI C. (2014) |
| Claudio Albertini & Paolo Gentile |
| Joy Desor - EDS analysis 08/2016 on ... |
| Orlandi (2011) |
| Palache et al. (1951) |
| Stara et al. (1996) |
| Ciriotti M.E. and Blass.G. (2010) |
| Bortolozzi et al. (2022) |
| SEM/EDX analysis by Dario Cericola +1 other reference |
| Rocchetti I. (2012) |
| SEM/EDX analysis by AMI SIUK |
| Bortolozzi et al. (2021) | |
| Biagioni et al. (2013) |
| Biagioni et al. (2013) | |
| Studi e Ricerche (2013) |
Japan | |
| - (n.d.) +1 other reference |
| K. Watanabe collection |
| Yamada (2004) |
| Takashi Yamada et al. (1999) |
Kazakhstan | |
| Palache et al. (1951) |
Mexico | |
| Panczner (1987) |
| Panczner (1987) |
| Panczner (1987) | |
| Panczner (1987) |
| Parker (2010) |
Namibia | |
| Gebhard (1999) |
| Brandstätter et al. (2013) |
Portugal | |
| Alves et al. (2017) |
| EMPA analyses by Christian Rewitzer |
Russia | |
| Rakhimov et al. (2023) |
| Ripp et al. (2019) |
| Svetova et al. (2024) |
Slovakia | |
| Martin Števko-unpublished |
| Števko M. et al. (Slovenská republika) | |
| Martin Števko-unpublished |
| Ferenc Š. et al. (2014) |
| Kopáčik R. et al. (2024) |
South Africa | |
| Cairncross et al. (1995) |
| SAMS (South African Micromount Society) |
| Cairncross et al. (1995) |
| Meyer et al. (1986) | |
Spain | |
| Joan Rosell et al. (2022) |
| Joan Rosell-Riba (2024) |
| Calvo et al. (2011) |
Switzerland | |
| EDXS analyses |
| Ansermet et al. (2021) | |
Tunisia | |
| Dill |
UK | |
| Golley et al. (1995) |
| Golley et al. (1995) |
| Golley et al. (1995) |
| Green et al. (1997) |
| Green et al. (2008) |
| Steve Rust collection +1 other reference | |
| Cooper et al. (1990) | |
| Stanley et al. (1991) | |
| Cotterell et al. (2007) +1 other reference |
| Briscoe et al. (2008) | |
| Ex-S Rust collection |
| Ex-S Rust collection | |
| S.Rust Collection |
| Steve Rust collection |
| National Museum of Wales database +2 other references |
USA | |
| Walstrom (n.d.) |
| "The Accidental Pocket" talk presented ... | |
| Raman analyzed at the University of ... |
| Raman confirmed by Dr. Yang |
| Anthony et al. (1995) |
| Adams (2000) +1 other reference |
| Collected by and in the collection of ... |
| Carnein et al. (2005) |
| Carlson et al. (2017) |
| www.mineralnews.com (2002) |
| Gobla (2012) +1 other reference |
| - (2005) |
| Castor et al. (2004) |
| Walstrom (n.d.) |
| Rocks & Minerals Vol. 74 No. 6 Nov/Dec ... +1 other reference |
| Marek Chorazewicz (2025) |
| Castor et al. (2004) |
| Jensen et al. (2010) |
| Cooper et al. (1991) |
| B.A. Collection. |
| Freeport-McMoRan |
| M Massis collection |
| King et al. (1991) | |
| Jerry Cone Collection | |
| DeMark et al. (1999) | |
| Pxrd and EDS via Inna Lykova |
| Smith et al. (1977) |
| Smith II (1978) | |
| Dana 6: A3: 14 +2 other references |
| Butler (1913) | |
| Bullock (1981) | |
| Bullock (1981) | |
| Dana 6: A3: 14 +3 other references | |
| Thorne (n.d.) |
| Encyclopedia of Mins. |
Zambia | |
| Southwood et al. (2019) |
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Cove Vein, Whytes Cleuch, Wanlockhead, Dumfries and Galloway, Scotland, UK