Coulsonite
This page is currently not sponsored. Click here to sponsor this page.
About Coulsonite
Formula:
Fe2+V3+2O4
Hardness:
4½ - 5
Crystal System:
Isometric
Member of:
Name:
Named in honor of Dr. Arthur Lennox Coulson (25 January 1898, Elsternwick, Victoria, Australia - 1955, Melbourne, Australia), Geological Survey of India.
Initially described from Bihar, India in 1936 as vanado-magnetite, renamed the following year as coulsonite (these specimens contain up to 4.84% vanadium). Species was redefined in 1962 on Nevada material.
Classification of Coulsonite
Approved, 'Grandfathered' (first described prior to 1959)
4/B.04-20
4.BB.05
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations
4 : OXIDES (Hydroxides, V[5,6] vanadates, arsenites, antimonites, bismuthites, sulfites, selenites, tellurites, iodates)
B : Metal: Oxygen = 3:4 and similar
B : With only medium-sized cations
7.2.4.2
7 : MULTIPLE OXIDES
2 : AB2X4
7 : MULTIPLE OXIDES
2 : AB2X4
7.12.19
7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta
7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta
Physical Properties of Coulsonite
Hardness:
4½ - 5 on Mohs scale
Chemical Properties of Coulsonite
Formula:
Fe2+V3+2O4
Elements listed:
Crystallography of Coulsonite
Crystal System:
Isometric
Class (H-M):
m3m (4/m 3 2/m) - Hexoctahedral
Space Group:
Fd3m
Cell Parameters:
a = 8.297 Å, b = 2 Å
Unit Cell V:
571.17 ų (Calculated from Unit Cell)
Z:
8
Morphology:
As subhedral crystals, less than 1 mm in size. Also as exsolution lamellae along
{111} in magnetite.
{111} in magnetite.
Type Occurrence of Coulsonite
Other Language Names for Coulsonite
Relationship of Coulsonite to other Species
Member of:
Other Members of this group:
Chromite | Fe2+Cr3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Cochromite | (Co,Ni,Fe)(Cr,Al)2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Cuprospinel | Cu2+Fe3+2O4 | Iso. |
Dellagiustaite | V2+Al2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Franklinite | Zn2+Fe3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Gahnite | ZnAl2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Galaxite | Mn2+Al2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Hercynite | Fe2+Al2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Jacobsite | Mn2+Fe3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Magnesiochromite | MgCr2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Magnesiocoulsonite | MgV2O4 | Iso. |
Magnesioferrite | MgFe3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Magnetite | Fe2+Fe3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Manganochromite | Mn2+Cr2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Nichromite | (Ni,Co,Fe)(Cr,Fe,Al)2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Spinel | MgAl2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Thermaerogenite | CuAl2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Trevorite | Ni2+Fe3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Vuorelainenite | Mn2+V3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
Zincochromite | ZnCr2O4 | Iso. |
Common Associates
Associated Minerals Based on Photo Data:
Related Minerals - Nickel-Strunz Grouping
4.BB. | Chenmingite | FeCr2O4 | Orth. mmm (2/m 2/m 2/m) : Pnma |
4.BB. | Thermaerogenite | CuAl2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Chromite | Fe2+Cr3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Cochromite | (Co,Ni,Fe)(Cr,Al)2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Cuprospinel | Cu2+Fe3+2O4 | Iso. |
4.BB.05 | Filipstadite | (Sb0.5Fe0.5)Mn2O4 | Iso. |
4.BB.05 | Franklinite | Zn2+Fe3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Gahnite | ZnAl2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Galaxite | Mn2+Al2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Hercynite | Fe2+Al2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Jacobsite | Mn2+Fe3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Manganochromite | Mn2+Cr2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Magnesiocoulsonite | MgV2O4 | Iso. |
4.BB.05 | Magnesiochromite | MgCr2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Magnesioferrite | MgFe3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Magnetite | Fe2+Fe3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Nichromite | (Ni,Co,Fe)(Cr,Fe,Al)2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Qandilite | (Mg,Fe3+)2(Ti,Fe3+,Al)O4 | |
4.BB.05 | Spinel | MgAl2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Trevorite | Ni2+Fe3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Ulvöspinel | TiFe2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Vuorelainenite | Mn2+V3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
4.BB.05 | Zincochromite | ZnCr2O4 | Iso. |
4.BB.10 | Hausmannite | Mn2+Mn3+2O4 | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
4.BB.10 | Hetaerolite | ZnMn2O4 | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
4.BB.10 | Hydrohetaerolite | ZnMn2O4 · H2O | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
4.BB.10 | Iwakiite | Mn2+Fe3+2O4 | Tet. 4/mmm (4/m 2/m 2/m) : I41/amd |
4.BB.15 | Maghemite | Fe3+2O3 | Iso. 4 3 2 : P41 3 2 |
4.BB.15 | Titanomaghemite | Fe3+(Fe3+,Ti4+,Fe2+,◻)2O4 | Iso. 4 3 2 : P43 3 2 |
4.BB.20 | Tegengrenite | (Mg,Mn2+)2Sb5+0.5(Mn3+,Si,Ti)0.5O4 | Trig. |
4.BB.25 | Xieite | Fe2+Cr2O4 | Orth. mmm (2/m 2/m 2/m) |
Related Minerals - Dana Grouping (8th Ed.)
7.2.4.1 | Vuorelainenite | Mn2+V3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
7.2.4.3 | Magnesiocoulsonite | MgV2O4 | Iso. |
Related Minerals - Hey's Chemical Index of Minerals Grouping
7.12.1 | Montroseite | (V3+,Fe3+)O(OH) | Orth. |
7.12.2 | Scherbinaite | V5+2O5 | |
7.12.3 | Paramontroseite | V4+O2 | Orth. |
7.12.4 | Häggite | V3+V4+O2(OH)3 | Mon. |
7.12.5 | Duttonite | V4+O(OH)2 | Mon. 2/m |
7.12.6 | Doloresite | V4+3O4(OH)4 | Mon. |
7.12.7 | Lenoblite | V4+2O4 · 2H2O | Orth. 2 2 2 : P21 21 21 |
7.12.8 | Navajoite | Fe3+V5+9O24 · 12H2O | Mon. 2/m : B2/m |
7.12.9 | Vanoxite | V4+4V5+2O13 · 8H2O | |
7.12.10 | Bariandite | Al0.6(V5+,V4+)8O20 · 9H2O | Mon. |
7.12.11 | Corvusite | (Na,K,Ca,Mg)2(V5+,V4+,Fe2+)8O20 · 6-10H2O | Mon. |
7.12.12 | Simplotite | CaV4+4O9 · 5H2O | Mon. |
7.12.13 | Kyzylkumite | V3+Ti2O5(OH) | Mon. 2/m : P21/b |
7.12.14 | Schreyerite | V3+2Ti3O9 | Mon. |
7.12.15 | Berdesinskiite | V3+2TiO5 | Mon. |
7.12.16 | Tivanite | V3+TiO3(OH) | Mon. |
7.12.17 | Mannardite | Ba(Ti4+6V3+2)O16 | Tet. 4/m : I41/a |
7.12.18 | Karelianite | V3+2O3 | Trig. |
7.12.20 | Nolanite | (V3+,Fe3+,Fe2+,Ti)10O14(OH)2 | Hex. |
7.12.21 | Vuorelainenite | Mn2+V3+2O4 | Iso. m3m (4/m 3 2/m) : Fd3m |
7.12.22 | Tantite | Ta2O5 | Tric. |
7.12.23 | Kimrobinsonite | (Ta,Nb)(OH)5-2x(O,CO3)x ; x near 1.2 | Iso. |
Other Information
Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.
References for Coulsonite
Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
Dunn, J.A. (1937) Coulsonite. Memoirs of the Geological Survey of India: 69: 21-21.
Dunn and Dey (1937) Mining Geol. Institute of India, Transactions: 31: 131.
Radtke, A.S. (1962) Coulsonite, FeV2O4, a spinel-type mineral from Lovelock, Nevada. American Mineralogist: 47: 1284-1291.
Fleischer, M. (1963) New mineral names. American Mineralogist: 48: 433-437.
Reuter, B., Riedel, E., Hug, P., Arndt, D., Geisler, U., Behnke, J. (1969) Zur kristallchemie der vanadin(III)-spinelle. Zeitschrift für Anorganische und Allgemeine Chemie: 369: 306-312.
Internet Links for Coulsonite
mindat.org URL:
https://www.mindat.org/min-1142.html
Please feel free to link to this page.
Please feel free to link to this page.
Search Engines:
External Links:
Mineral Dealers:
Localities for Coulsonite
Locality List




All localities listed without proper references should be considered as questionable.
Finland | |
| Sergeeva, N. E., Eremin, N. I., & Dergachev, A. L. (2011, February). Vanadium mineralization in ore of the Vihanti massive sulfide base-metal deposit, Finland. In Doklady Earth Sciences (Vol. 436, No. 2, pp. 210-212). SP MAIK Nauka/Interperiodica. |
India | |
Am Min 47 (1962), 1284 | |
Kazakhstan | |
| Brearley, A. J. & Jones, R. H. (1998). Chondritic Meteorites. In: Planetary Materials (Papike, J. J., Editor): Chapter 3, 398 pages. Mineralogical Society of America: Washington, DC, USA. (1998) |
Mexico | |
| Ma, C., Paque, J., & Tschauner, O. (2016, March). Discovery of Beckettite, Ca2V6Al6O20, a New Alteration Mineral in a V-Rich Ca-Al-Rich Inclusion from Allende. In Lunar and Planetary Science Conference (Vol. 47, p. 1704). |
Russia | |
| Pavel M. Kartashov analytical data |
| Karpov S.M., Voloshin A.V., Savchenko E.E., Selivanova E.A., Polekhovskii Yu.S. (2012) coulsonite in pyrrhotite gorge deposit (Kola peninsula): the first find in Russia, - Doklady RAN, 445/2, p. 1-3 (in Russ.) |
| Компанченко А.А., Волошин А.В., Базай А.В. Ванадиевая минерализация в колчеданных проявлениях - новый тип для Южно-Печенгской структурной зоны, Кольский регион, - Месторождения стратегических металлов: закономерности размещения, источники вещества, условия и механизмы образования. Всероссийская конференция, посвящённая 85-летию ИГЕМ РАН.Москва, 25-27 ноября 2015 г. Материалы докладов. М.: ИГЕМ РАН, 2015. 336 с. |
Spain | |
| C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595 |
C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595 | |
C.. Canet et al. , The Canadian Mineralogist, 2003, V41, pp. 581-595 | |
Switzerland | |
| Stalder, H. A., Wagner, A., Graeser, S. and Stuker, P. (1998): Mineralienlexikon der Schweiz. Wepf (Basel), p. 123. |
USA | |
| U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225. |
U.S. Geological Survey, 2008, Alaska Resource Data File (ARDF): U.S. Geological Survey Open-File Report 2008-1225. | |
| Pemberton, H. Earl (1983), Minerals of California; Van Nostrand Reinholt Press: 152. |
| Am Min 47:1284-1291 |
| NBMG Spec. Pub. 31 Minerals of Nevada |
Bihar, India