Quick Links : The Mindat Manual The Rock H. Currier Digital Library Mindat Newsletter [Free Download]

Home Page About Mindat The Mindat Manual History of Mindat Copyright Status Who We Are Contact Us Advertise on Mindat

Donate to Mindat Corporate Sponsorship Sponsor a Page Sponsored Pages Mindat Advertisers Advertise on Mindat

Learning Center What is a mineral?The most common minerals on earth Information for Educators Mindat Articles The Elements The Rock H. Currier Digital Library Geologic Time Explore Fossils

Minerals by Properties Minerals by Chemistry Mineral Visual Explorer Advanced Locality Search Random Mineral Random Locality Search by minID Localities Near Me Search Articles Search Glossary More Search Options

The Mindat Manual Add a New Photo Rate Photos Locality Edit Report Coordinate Completion Report Add Glossary Item

Mining Companies Statistics Users Mineral Museums Clubs & Organizations Mineral Shows & Events The Mindat Directory Device Settings The Mineral Quiz Time Machine

Photo Search Photo Galleries Search by Color Photo Colour Explorer New Photos Today New Photos Yesterday Members' Photo Galleries Past Photo of the Day Gallery Photography

Hematite Group

A group of related mineral species

This page is currently not sponsored. Click here to sponsor this page.

Photos of Hematite Group (11144)Recorded Ages and Analyses Discuss Hematite Group

Hematite Group Gallery Search Photos of Hematite Group

Edit Hematite Group Add Synonym Edit CIF structures Clear Cache

Hematite, etc.

Monte Giove, Vallone del Vannino, Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy

Sapphire

Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka

Eskolaite

Outokumpu mining district, North Karelia, Finland

Hematite, etc.

Monte Giove, Vallone del Vannino, Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy

Sapphire

Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka

Eskolaite

Outokumpu mining district, North Karelia, Finland

Hematite, etc.

Monte Giove, Vallone del Vannino, Formazza, Verbano-Cusio-Ossola Province, Piedmont, Italy

Sapphire

Ratnapura, Ratnapura District, Sabaragamuwa Province, Sri Lanka

Hide all sections | Show all sections

About Hematite GroupHide

Formula:

M₂O₃

M = Al, Fe, V, Cr, Ti (+3)

A group of simple, rhombohedral oxides.

Unique IdentifiersHide

Mindat ID:

29296

Long-form identifier:

mindat:1:1:29296:2

Chemistry of Hematite GroupHide

Mindat Formula:

M₂O₃

M = Al, Fe, V, Cr, Ti (+3)

Age distributionHide

Recorded ages:

Mesozoic : 236 ± 7 Ma to 145 ± 4 Ma - based on 6 recorded ages.

Sample ages:

Sample ID	Recorded age	Geologic Time	Dating method
1	145 ± 4 Ma	Late Jurassic	U-Th/He
2	183 ± 13 Ma	Early Jurassic	(U-Th)/He
3	236 ± 7 Ma	Late/Upper Triassic	U-Th/He

Sample references:

ID	Locality	Reference
1	Lenzkirch, Breisgau-Hochschwarzwald, Freiburg Region, Baden-Württemberg, Germany	Pfaff, Katharina, Romer, Rolf L., Markl, Gregor (2009) U-Pb ages of ferberite, chalcedony, agate, 'U-mica' and pitchblende: constraints on the mineralization history of the Schwarzwald ore district. European Journal of Mineralogy, 21 (4). 817-836 doi:10.1127/0935-1221/2009/0021-1944
2	Hohberg baryte veins, Wolfach, Ortenaukreis, Freiburg Region, Baden-Württemberg, Germany	Pfaff, Katharina, Romer, Rolf L., Markl, Gregor (2009) U-Pb ages of ferberite, chalcedony, agate, 'U-mica' and pitchblende: constraints on the mineralization history of the Schwarzwald ore district. European Journal of Mineralogy, 21 (4). 817-836 doi:10.1127/0935-1221/2009/0021-1944
3	Nonnenmattweiher, Neuenweg, Kleines Wiesental, Lörrach, Freiburg Region, Baden-Württemberg, Germany	Pfaff, Katharina, Romer, Rolf L., Markl, Gregor (2009) U-Pb ages of ferberite, chalcedony, agate, 'U-mica' and pitchblende: constraints on the mineralization history of the Schwarzwald ore district. European Journal of Mineralogy, 21 (4). 817-836 doi:10.1127/0935-1221/2009/0021-1944

Chemical AnalysisHide

Oxide wt%:

	1	2	3
Fe₂O₃	87.0 %	86.95 %
MnO₂	2.5 %	2.93 %
SiO₂	5.0 %	8.20 %
Al₂O₃	2.0 %	0.73 %	0.12 %
Loss	3.5 %	1.19 %
TiO₂			5.69 %
MnO			0.16 %
FeO			88.91 %
MgO			0.47 %
Total:	100 %	100 %	95.35 %

Empirical formulas:

Sample ID	Empirical Formula
3	(Fe³⁺,Al)_1.774(Fe²⁺, Mg, Mn)_0.113Ti_0.113O₃

Sample references:

ID	Locality	Reference	Notes
1	Bihain, Vielsalm, Luxembourg, Wallonia, Belgium	Drapiez, M. (1820) Sur une mine de fer oligiste du Grand Duché de Luxembourg. Annales générales des sciences physiques, Bruxelles: 7.
2	Colanhan, Lierneux, Liège, Wallonia, Belgium	Davreux, C. (1833) Essai sur la constitution géognostique de la province de Liège. Mémoire de l'Académie royale de Bruxelles, Mémoire couronné in 4°, 9.
3	Dypingdal serpentine-magnesite deposit, Snarum, Modum, Buskerud, Norway	Raade, Gunnar (1982) Die sogenannten "Martite" von Snarum (Norwegen) [The so-called “Martites” from Snarum (Norway)]. Der Aufschluss, 33 (11) Heidelberg. 405-407	Microprobe, Fe2+

Crystal StructureHide

Load
Unit Cell | Unit Cell Packed
2x2x2 | 3x3x3 | 4x4x4

View
CIF File Best | x | y | z | a | b | c

Rotation
Stop | Start

Labels
Console Off | On | Grey | Yellow

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

ID	Species	Reference	Year	Locality	Pressure (GPa)	Temp (K)
0019493	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	0	293
0004566	Eskolaite	Logvinova A M, Wirth R, Sobolev N V, Seryotkin Y V, Yefimova E S, Floss C, Taylor L A (2008) Eskolaite associated with diamond from the Udachnaya kimberlite pipe, Yakutia, Russia American Mineralogist 93 685-690	2008	natural diamond, Udachnaya pipe, Yukutia, Russia	0	293
0017802	Eskolaite	Belokoneva E L, Shcherbakova Y K (2003) Electron density in synthetic eskolaite Cr2O3 with a corundum structure and its relation to antiferromagnetic properties Russian Journal of Inorganic Chemistry 48 861-869	2003	synthetic	0	293
0017808	Hematite	Maslen E N, Streltsov V A, Streltsova N R, Ishizawa N (1994) Synchrotron X-ray study of the electron density in alpha-Fe2O3 Acta Crystallographica B50 435-441	1994	synthetic	0	293
0017807	Hematite	Maslen E N, Streltsov V A, Streltsova N R, Ishizawa N (1994) Synchrotron X-ray study of the electron density in alpha-Fe2O3 Acta Crystallographica B50 435-441	1994	synthetic	0	293
0017806	Hematite	Maslen E N, Streltsov V A, Streltsova N R, Ishizawa N (1994) Synchrotron X-ray study of the electron density in alpha-Fe2O3 Acta Crystallographica B50 435-441	1994	synthetic	0	293
0017805	Eskolaite	Sawada H (1994) Residual electron density study of chromium sesquioxide by crystal structure and scattering factor refinement Materials Research Bulletin 29 239-245	1994	synthetic	0	293
0017804	Eskolaite	Sawada H (1994) Residual electron density study of chromium sesquioxide by crystal structure and scattering factor refinement Materials Research Bulletin 29 239-245	1994	synthetic	0	293
0017803	Eskolaite	Sawada H (1994) Residual electron density study of chromium sesquioxide by crystal structure and scattering factor refinement Materials Research Bulletin 29 239-245	1994	synthetic	0	293
0009327	Corundum	Kirfel A, Eichhorn K (1990) Accurate structure analysis with synchrotron radiation. The electron density in Al2O3 and Cu2O Acta Crystallographica A46 271-284	1990	synthetic	0	293
0017741	Karelianite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	0.0001	293
0017731	Hematite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	0.0001	293
0017737	Eskolaite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	0.0001	293
0000143	Hematite	Blake R L, Hessevick R E, Zoltai T, Finger L W (1966) Refinement of the hematite structure American Mineralogist 51 123-129	1966	Elba, Italy	0	293
0010594	Tistarite	Newnham R E, de Haan Y M (1962) Refinement of the alpha Al2O3, Ti2O3, V2O3 and Cr2O3 structures Zeitschrift fur Kristallographie 117 235-237	1962	synthetic	0	293
0010595	Karelianite	Newnham R E, de Haan Y M (1962) Refinement of the alpha Al2O3, Ti2O3, V2O3 and Cr2O3 structures Zeitschrift fur Kristallographie 117 235-237	1962	synthetic	0	293
0010596	Eskolaite	Newnham R E, de Haan Y M (1962) Refinement of the alpha Al2O3, Ti2O3, V2O3 and Cr2O3 structures Zeitschrift fur Kristallographie 117 235-237	1962	synthetic	0	293
0010593	Corundum	Newnham R E, de Haan Y M (1962) Refinement of the alpha Al2O3, Ti2O3, V2O3 and Cr2O3 structures Zeitschrift fur Kristallographie 117 235-237	1962	synthetic	0	293
0014077	Corundum	Pauling L, Hendricks S B (1925) Crystal structures of hematite and corundum Journal of the American Chemical Society 47 781-790	1925	Ceylon	0	293
0017732	Hematite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	1.54	293
0017742	Karelianite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	1.83	293
0017738	Eskolaite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	1.86	293
0017743	Karelianite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	2.83	293
0017733	Hematite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	3.14	293
0017739	Eskolaite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	4.06	293
0017734	Hematite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	4.16	293
0017735	Hematite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	4.39	293
0017744	Karelianite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	4.7	293
0017736	Hematite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	5.24	293
0017740	Eskolaite	Finger L W, Hazen R M (1980) Crystal structure and isothermal compression of Fe2O3, Cr2O3, and V2O3 to 50 kbars Journal of Applied Physics 51 5362-5367	1980	synthetic	5.68	293
0019494	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	8.1	293
0019495	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	14	293
0019496	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	20.4	293
0019497	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	24.1	293
0019498	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	29.6	293
0019499	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	35.4	293
0019500	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	39.7	293
0019501	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	44.8	293
0019502	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	50.2	293
0019503	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	55.1	293
0019504	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	63.9	293
0019505	Eskolaite	Kantor A, Kantor I, Merlini M, Glazyrin K, Prescher C, Hanfland M, Dubrovinsky L (2012) High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction American Mineralogist 97 1764-1770	2012	synthetic	70.4	293
0014072	Corundum	Wang X, Hubbard C, Alexander K, Becher P (1994) Neutron diffraction measurements of the residual stresses in Al2O3 - ZrO2 (CeO2) ceramic composites _cod_database_code 1000059 Journal of the American Ceramic Society 77 1569-1575	1994		0	293
0012859	Corundum	Lutterotti L, Scardi P (1990) Simultaneous structure and size-strain refinement by the Rietveld method _cod_database_code 1000032 Journal of Applied Crystallography 23 246-252	1990		0	293
0015110	Corundum	Tsirelson V, Antipin M, Gerr R, Ozerov R, Struchkov Y (1985) Ruby structure peculiarities derived from X-ray data. Localization of chromium atoms and electron deformation density _cod_database_code 1000017 Physica Status Solidi A87 425-433	1985		0	293
0009325	Corundum	Lewis J, Schwarzenbach D, Flack H D (1982) Electric field gradients and charge density in corundum alpha-Al2O3 Acta Crystallographica A38 733-739	1982		0	293
0012921	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		0.0001	293
0012914	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		0	293
0010608	Eskolaite	Saalfeld H (1964) Strukturuntersuchungen im system Al2O3-Cr2O3 Zeitschrift fur Kristallographie 120 342-348	1964		0	293
0010607	Corundum	Saalfeld H (1964) Strukturuntersuchungen im system Al2O3-Cr2O3 Zeitschrift fur Kristallographie 120 342-348	1964		0	293
0017965	Karelianite	Zachariasen W (1928) Untersuchungen ueber die Kristallstruktur von Sesquioxyden und Verbindungen ABO3 _cod_database_code 1011066 Skrifter utgitt av det Norske Videnskaps-Akademi i Oslo 1928 1-165	1928		0	293
0017966	Eskolaite	Zachariasen W (1928) Untersuchungen ueber die Kristallstruktur von Sesquioxyden und Verbindungen ABO3 _cod_database_code 1011067 Skrifter utgitt av det Norske Videnskaps-Akademi i Oslo 1928 1-165	1928		0	293
0017671	Corundum	Zachariasen W (1928) Untersuchungen ueber die Kristallstruktur von Sesquioxyden und Verbindungen ABO3 _cod_database_code 1010951 Skrifter utgitt av det Norske Videnskaps-Akademi i Oslo 1928 1-165	1928		0	293
0018106	Hematite	Pauling L, Hendricks S (1925) The Structure of Hematite Journal of the American Chemical Society 47 781-790	1925		0	293
0014076	Hematite	Pauling L, Hendricks S B (1925) Crystal structures of hematite and corundum Journal of the American Chemical Society 47 781-790	1925		0	293
0009699	Corundum	Ishizawa N, Miyata T, Minato I, Marumo F, Iwai S (1980) A structural investigation of alpha-Al2O3 at 2170 K Acta Crystallographica B36 228-230	1980		0	300
0002228	Hematite	Gualtieri A, Venturelli P (1999) In situ study of the goethite-hematite phase transformation by real time synchrotron powder diffraction American Mineralogist 84 895-904	1999		0	586
0002229	Hematite	Gualtieri A, Venturelli P (1999) In situ study of the goethite-hematite phase transformation by real time synchrotron powder diffraction American Mineralogist 84 895-904	1999		0	790
0002230	Hematite	Gualtieri A, Venturelli P (1999) In situ study of the goethite-hematite phase transformation by real time synchrotron powder diffraction American Mineralogist 84 895-904	1999		0	1052
0009700	Corundum	Ishizawa N, Miyata T, Minato I, Marumo F, Iwai S (1980) A structural investigation of alpha-Al2O3 at 2170 K Acta Crystallographica B36 228-230	1980		0	2170
0012922	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		1.1	293
0012923	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		2.1	293
0012924	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		2.8	293
0012915	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		2.8	293
0012925	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		3.5	293
0012916	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		4.2	293
0012926	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		4.6	293
0012917	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		6	293
0012918	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		7.4	293
0012927	Corundum	Finger L W, Hazen R M (1978) Crystal structure and compression of ruby to 46 kbar Journal of Applied Physics 49 5823-5826	1978		8	293
0012919	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		8.1	293
0012920	Corundum	d'Amour H, Schiferl D, Denner W, Schulz H, Holzapfel W B (1978) High-pressure single-crystal structure determinations for ruby up to 90 kbar using an automatic diffractometer Journal of Applied Physics 49 4411-4416	1978		9	293

CIF Raw Data - click here to close

data_global
_chemical_name_mineral 'Eskolaite'
loop_
_publ_author_name
'Kantor A'
'Kantor I'
'Merlini M'
'Glazyrin K'
'Prescher C'
'Hanfland M'
'Dubrovinsky L'
_journal_name_full 'American Mineralogist'
_journal_volume 97 
_journal_year 2012
_journal_page_first 1764
_journal_page_last 1770
_publ_section_title
;
 High-pressure structural studies of eskolaite by means of single-crystal X-ray diffraction
 Note: P = 0 GPa, data from Ovsyannikov and Dubrovinsky (2011)
;
_database_code_amcsd 0019493
_chemical_compound_source 'Synthetic'
_chemical_formula_sum 'Cr2 O3'
_cell_length_a 4.9530
_cell_length_b 4.9530
_cell_length_c 13.5884
_cell_angle_alpha 90
_cell_angle_beta 90
_cell_angle_gamma 120
_cell_volume 288.693
_exptl_crystal_density_diffrn      5.245
_symmetry_space_group_name_H-M 'R -3 c'
loop_
_space_group_symop_operation_xyz
  'x,y,z'
  '2/3+x,1/3+y,1/3+z'
  '1/3+x,2/3+y,2/3+z'
  'x,x-y,1/2+z'
  '2/3+x,1/3+x-y,5/6+z'
  '1/3+x,2/3+x-y,1/6+z'
  'y,x,1/2-z'
  '2/3+y,1/3+x,5/6-z'
  '1/3+y,2/3+x,1/6-z'
  '-x+y,y,1/2+z'
  '2/3-x+y,1/3+y,5/6+z'
  '1/3-x+y,2/3+y,1/6+z'
  '-x,-x+y,1/2-z'
  '2/3-x,1/3-x+y,5/6-z'
  '1/3-x,2/3-x+y,1/6-z'
  '-y,-x,1/2+z'
  '2/3-y,1/3-x,5/6+z'
  '1/3-y,2/3-x,1/6+z'
  'x-y,-y,1/2-z'
  '2/3+x-y,1/3-y,5/6-z'
  '1/3+x-y,2/3-y,1/6-z'
  'y,-x+y,-z'
  '2/3+y,1/3-x+y,1/3-z'
  '1/3+y,2/3-x+y,2/3-z'
  '-x+y,-x,z'
  '2/3-x+y,1/3-x,1/3+z'
  '1/3-x+y,2/3-x,2/3+z'
  '-x,-y,-z'
  '2/3-x,1/3-y,1/3-z'
  '1/3-x,2/3-y,2/3-z'
  '-y,x-y,z'
  '2/3-y,1/3+x-y,1/3+z'
  '1/3-y,2/3+x-y,2/3+z'
  'x-y,x,-z'
  '2/3+x-y,1/3+x,1/3-z'
  '1/3+x-y,2/3+x,2/3-z'
loop_
_atom_site_label
_atom_site_fract_x
_atom_site_fract_y
_atom_site_fract_z
Cr   0.00000   0.00000   0.34750
O   0.30580   0.00000   0.25000

Synonyms of Hematite GroupHide

Corundum Group

Relationship of Hematite Group to other SpeciesHide

Hematite Group Members:

Corundum	Al₂O₃	Trig. 3m(32/m) : R3c
Eskolaite	Cr₂O₃	Trig. 3m(32/m) : R3c
Hematite	Fe₂O₃	Trig. 3m(32/m) : R3c
Karelianite	V³⁺₂O₃	Trig. 3m(32/m) : R3c
Tistarite	Ti³⁺₂O₃	Trig. 3m(32/m) : R3c

Click on any node to view relationships. Formula-derived relationship network for the group members above. Use Find related species to add formula-neighbour species outside the current group view. Solid links show inferred chemical differences; dashed violet links show same-formula crystallographic differences. Hydration states are not treated as relationship changes. These relationships do not imply any real-world substitution reactions between these species.

Other InformationHide

Health Risks:

No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

Hematite Group in petrologyHide

An essential component of rock names highlighted in red, an accessory component in rock names highlighted in green.

Internet Links for Hematite GroupHide

mindat.org URL:

https://www.mindat.org/min-29296.html
Please feel free to link to this page.

Search Engines:

Look for Hematite Group on Google

Look for Hematite Group images on Google

Look for Hematite Group on Bing

Look for Hematite Group images on Bing

Look for Hematite Group on DuckDuckGo

Look for Hematite Group images on DuckDuckGo

Look for Hematite Group in the Rock H. Currier Digital Library

Mineral Dealers:

Buy from D. Joyce minerals

References for Hematite GroupHide

Reference List:

Palache, Charles, Berman, Harry, Frondel, Clifford (1944) The System of Mineralogy (7th ed.) Vol. 1 - Elements, Sulfides, Sulfosalts, Oxides. John Wiley and Sons, New York.

Significant localities for Hematite GroupHide

Showing 68 significant localities out of 24,855 recorded on mindat.org.

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.

Hide all sections | Show all sections

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.


Argentina
Tucumán Province Tafí del Valle Department Tafí del Valle ⓘ Cerro Loma Pelada	[Hematite var: Martite] Raúl Jorge Tauber Larry´s collection

Australia
New South Wales Arrawatta Co. ⓘ Kings Plains	[Corundum var: Sapphire] Coenraads (1994)
Gough Co. Glen Innes ⓘ Maids Valley Creek	[Corundum, Corundum var: Sapphire] Henley et al. (2001)
Queensland Central Highlands Region ⓘ Tomahawk Creek	[Corundum var: Sapphire] Raffan (2018)
Tablelands Region Kinrara National Park ⓘ Lava Plains	[Corundum, Corundum var: Sapphire] Sutherland
Tasmania Dorset municipality Moorina ⓘ Weld River	[Corundum, Corundum var: Sapphire] Bottrill et al. (2008)
Victoria Alpine Shire Myrtleford ⓘ Ovens	[Ruby var: Barklyite] Liversidge (1896)

Austria
Lower Austria Krems-Land District Mühldorf Amstall ⓘ Graphite quarry	[Corundum] Zirkl (1961) +2 other references
Salzburg St. Johann im Pongau District Hüttschlag ⓘ Karteisgraben	[Hematite, Hematite var: Specularite] Strasser (1989)

Canada
Ontario Hastings County Carlow Township ⓘ Logan Corundum occurrence	[Corundum] Ontario MDI Number: MDI31F05SE00021
Renfrew County Brudenell-Lyndoch-and-Raglan Raglan Township Craigmont Mine ⓘ Craigmount workings	[Corundum] Sabina (1971)
Québec Abitibi-Témiscamingue La Vallée-de-l'Or RCM Réservoir-Dozois ⓘ Cabonga Reservoir	[Corundum, Corundum var: Sapphire] Cindy Hasler collection +2 other references

Chile
Coquimbo Limarí Province Monte Patria ⓘ Mantos Grandes Mine	[Hematite var: Specularite] Maskaev et al. (2007)

Finland
North Karelia ⓘ Outokumpu mining district	[Eskolaite, Karelianite] Am Min 43 (1958) +1 other reference

France
Auvergne-Rhône-Alpes Puy-de-Dôme Riom Saint-Ours-les-Roches ⓘ Puy de Ténuzet quarry	[Hematite] Mboungou-Kongo (2002)
Grand Est Haut-Rhin Colmar-Ribeauvillé Sainte-Marie-aux-Mines ⓘ Brézouard Massif	[Hematite] Wittern et al. (1997)
Col de Ste Marie Tête du Violu ⓘ Bernardstein vein	[Hematite] Martaud (2013)
Provence-Alpes-Côte d'Azur Alpes-de-Haute-Provence Forcalquier Saint-Maime ⓘ Saint-Maime mines	[Hematite] Favreau G. et al. (2004)

Ireland
Munster Cork County Mizen Peninsula Ballydehob Audley Mines ⓘ Ballycummisk Mine	[Hematite var: Specularite] Flannery (n.d.)

Italy	[Hematite]

Piedmont Cuneo Province Bellino Varaita di Rui Valley ⓘ Salza Mountain	[Hematite] Piccoli (2002) +1 other reference
Metropolitan City of Turin Sauze di Cesana ⓘ Metabasite occurrence	[Hematite var: Iron Rose] Giacomino et al. (1986) +1 other reference
Usseaux ⓘ Bergerie del Laux	[Hematite var: Iron Rose] Giacomino et al. (1986) +1 other reference
Tuscany Livorno Province Rio Rio Marina Rio Mine ⓘ Bacino stope	[Hematite] E. Grill (1911)
ⓘ Valle Giove stope	[Hematite] Garofalo et al. (2025)
ⓘ Vigneria stope	[Hematite] Orlandi +2 other references
Lucca Province Minucciano Gorfigliano ⓘ Acqua Bianca valley	[Hematite] Orlandi P. et al. (LU)
Seravezza ⓘ Monte Folgorito	[Hematite] Dini A. et al. (1997)

Madagascar
Alaotra-Mangoro Ambatondrazaka District Didy ⓘ Bemainty	[Corundum var: Sapphire] Basel +1 other reference
Ihorombe Ihosy District Zazafotsy ⓘ Zazafotsy Quarry (Amboarohy)	[Corundum] Pezzotta (2005) +1 other reference

Malawi
Central Region Ntcheu ⓘ Chimwadzulu Hill	[Corundum, Ruby] H.G. Dill +2 other references

Mexico
Chihuahua Pueblito de Allende ⓘ Allende meteorite	[Tistarite] Am. Min. 94 (2009) +1 other reference

Morocco
Drâa-Tafilalet Region Zagora Province Agdz Cercle Tansifte Caïdat Ightem ⓘ Ightem Mine	[Hematite] Favreau et al. (2006)

Norway
Agder Froland ⓘ Kleggåsen Ruby Quarry	[Corundum] Oftedahl (1963)
Akershus Nes Årnes Farsjø ⓘ Sagstuen	[Corundum] Bugge (1951)
Telemark Kragerø Kragerø Archipelago Langøy Langøy Iron Mines ⓘ Peder Anker Mine	[Hematite] Vogt (1892) +1 other reference

South Africa
Limpopo Mopani District Municipality Maruleng Local Municipality Mica ⓘ Sudimani Spruit	[Corundum] Cairncross et al. (1995)
Vhembe District Municipality Makhado Local Municipality Louis Trichardt ⓘ Palmietfontein Farm	[Corundum] Cairncross et al. (1995)

Spain
Andalusia Málaga Antequera ⓘ La Juanona Quarry	[Hematite] Romero Silva (2003) +2 other references
Aragon Zaragoza Tierga ⓘ Santa Rosa Mine	[Hematite] Calvo Rebollar (2018)
Asturias ⓘ Oviedo	[Hematite, Hematite var: Iron Rose] Fuertes Acevedo (1884) +1 other reference
El LLagú Castro Cegallú-El Bravo ⓘ Latores Quarry	[Hematite] Calvo Rebollar (2009)

Sri Lanka
Sabaragamuwa Province Ratnapura District ⓘ Ratnapura	[Corundum var: Sapphire] Shigley et al. (2000)

Switzerland
Grisons Surselva Region Tujetsch Val Curnera ⓘ Cavradi gorge	[Hematite] Kipfer (1974) +1 other reference

UK
England Cumbria Copeland Egremont ⓘ Florence Mine	[Hematite, Hematite var: Specularite] Fluorite: The Collector's Choice. Extra ... +1 other reference
Eden Shap Rural ⓘ Shap Beck Quarry	[Hematite]
Scotland Outer Hebrides Isle of Lewis and Harris Lewis ⓘ Loch Roag	[Corundum, Corundum var: Sapphire] Jackson +1 other reference

USA
Arizona La Paz County Buckskin Mountains Santa Maria Mining District (Planet Mining District; Swansea Mining District; Bill Williams Mining District) ⓘ BCC Mines	[Hematite] Anthony et al. (1995)
Maricopa County ⓘ Queen of Sheba Mine (La Aguila patented claim; La Firmos Mine)	[Hematite, Hematite var: Specularite] self-collected by C. Lemanski
Navajo County Apache Iron Mining District ⓘ Apache Iron deposit	[Hematite] - (2005)
California Riverside County San Jacinto Mountains Soboba Hot Springs (Ritchey Hot Springs; White Sulphur Spring) ⓘ Broken Spear Mine	[Corundum] Shawn Underwood Collection
Connecticut Hartford County East Granby ⓘ Roncari Quarry	[Hematite] Cristofono (n.d.) +1 other reference
Litchfield County Litchfield ⓘ Coe's Mine (Sedgewick and Buell mine; Kyanite and ilmenite locality)	[Corundum] Harvard Mineralogical Museum specimen
New Haven County East Haven ⓘ Cinque Quarry	[Hematite] Powell (1987)
Montana Jefferson County Cataract Mining District (Comet Mining District; Basin Mining District) ⓘ PC Mine	[Hematite] Chris Van Laer Collection
New Mexico Doña Ana County Las Cruces ⓘ Calle Jitas Blvd Chert Occurrences	[Hematite] Brighton Alfred Collection.
Rhode Island Providence County North Smithfield ⓘ Waterford	[Hematite] Michael W. Kieron collection

Quick NavTop About Hematite Group Unique Identifiers Chemistry Age distribution Chemical Analysis Crystal Structure Synonyms Relationships Other Information Hematite Group in petrology Internet Links References Significant localities Locality List

Mindat.org® is an outreach project of the Hudson Institute of Mineralogy, a 501(c)(3) not-for-profit organization. Mindat® and mindat.org® are registered trademarks of the Hudson Institute of Mineralogy.
Copyright © mindat.org and the Hudson Institute of Mineralogy 1993-2026, except where stated. Most political location boundaries are © OpenStreetMap contributors. Mindat.org relies on the contributions of thousands of members and supporters. Founded in 2000 by Jolyon Ralph and Ida Chau.
Content on this site may not be used to train, fine-tune, or otherwise develop artificial intelligence or machine learning models without prior written permission - see our Terms & Conditions.
To cite: Ralph, J., Von Bargen, D., Martynov, P., Zhang, J., Que, X., Prabhu, A., Morrison, S. M., Li, W., Chen, W., & Ma, X. (2025). Mindat.org: The open access mineralogy database to accelerate data-intensive geoscience research. American Mineralogist, 110(6), 833–844. doi:10.2138/am-2024-9486.
Privacy Policy - Terms & Conditions - Contact Us / DMCA issues - Report a bug/vulnerability Current server date and time: September 1, 2026 14:24:39 Page updated: July 31, 2026 18:06:13

Go to top of page