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|Hardness:||4½ - 5|
|Name:||After Dr. Arthur Lennox Coulson, 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
|Strunz 8th edition ID:||4/B.04-20|
|Nickel-Strunz 10th (pending) edition ID:||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
|Dana 8th edition ID:||184.108.40.206|
7 : MULTIPLE OXIDES
2 : AB2X4
|Hey's CIM Ref.:||7.12.19|
7 : Oxides and Hydroxides
12 : Oxides of V, Nb and Ta
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Type Occurrence of Coulsonite
|Type Locality:||Buena Vista Iron Mine, Mineral Basin District, Churchill Co., Nevada, USA|
|Year of Discovery:||1962|
Physical Properties of Coulsonite
|Hardness (Mohs):||4½ - 5|
Chemical Properties of Coulsonite
|Simplified for copy/paste:||Fe2+V3+2O4|
|Essential elements:||Fe, O, V|
|All elements listed in formula:||Fe, O, V|
Relationship of Coulsonite to other Species
|Member of:||Spinel Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Coulsonite
|Health Warning:||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
Dunn (1937), Geological Survey of India, mem.: 49: 21.
Dunn and Dey (1937), Mining Geol. Institute of India, Transactions: 31: 131.
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: 702.
Radtke, A. S. (1962) American Mineralogist: 47, 1284-1291.
Internet Links for Coulsonite
Localities for Coulsonite
The 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.
(TL) indicates type locality. ? indicates mineral may be doubtful at this locality. All other localities listed without reference should be considered as uncertain and unproven until references can be found.
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Locality Updated: Pavlovka meteorite, Pavlovka, Saratov Oblast', Povolzhsky Region, RussiaFrom Lon Clay Hill, 17th Sep 2014 11:26:47