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|Colour:||Black, silver-gray||Hardness:||4½ - 5½|
|Name:||Named in 1945 by Paul F. Kerr in honor of Johannes Franciscus Vaes [1902 - 1978], administrator, geologist and mineralogist with the Union Minière du Haut-Katanga, in the Belgian Congo, now Democratic Republic of the Congo.|
Classification of Vaesite
|IMA status:||Valid - first described prior to 1959 (pre-IMA) - "Grandfathered"|
|Strunz 8th edition ID:||2/D.17-50|
|Nickel-Strunz 10th (pending) edition ID:||2.EB.05a|
2 : SULFIDES and SULFOSALTS (sulfides, selenides, tellurides; arsenides, antimonides, bismuthides; sulfarsenites, sulfantimonites, sulfbismuthites, etc.)
E : Metal Sulfides, M: S <= 1:2
B : M:S = 1:2, with Fe, Co, Ni, PGE, etc.
|Dana 8th edition ID:||188.8.131.52|
2 : SULFIDES
12 : AmBnXp, with (m+n):p = 1:2
|Hey's CIM Ref.:||3.11.5|
3 : Sulphides, Selenides, Tellurides, Arsenides and Bismuthides (except the arsenides, antimonides and bismuthides of Cu, Ag and Au, which are included in Section 1)
11 : Sulphides etc. of Ni
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Type Occurrence of Vaesite
|Type Locality:||Kasompi Mine (Menda Mine; Kasompi Hill), Swambo, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo (Zaïre)|
|Year of Discovery:||1945|
Physical Properties of Vaesite
|Hardness (Mohs):||4½ - 5½|
Chemical Properties of Vaesite
|Simplified for copy/paste:||NiS2|
|Essential elements:||Ni, S|
|All elements listed in formula:||Ni, S|
Relationship of Vaesite to other Species
|Series:||Forms a series with Cattierite (see here)|
|Member of:||Pyrite Group|
|Other Members of Group:|
|Related Minerals - Nickel-Strunz Grouping):|
|Related Minerals - Hey's Index Grouping:|
Other Names for Vaesite
|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 Vaesite
American Mineralogist (1945): 30: 483-497.
Mineralogical Magazine (1980): 43: 950.
Internet Links for Vaesite
Localities for Vaesite
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: Emmons Mesa, Leucite Hills District, Sweetwater Co., Wyoming, USAFrom James Cheshire, 19th Sep 2014 23:55:57