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Vaesite 
Summary
Vaesite (NiS2) is a mineral found together with cattierite in the Democratic Republic of Congo. It is named after Johannes F. Vaes, a Belgian mineralogist.[3] It is part of the pyrite group.[2]
| Vaesite | |
|---|---|
 Vaesite on a matrix | |
| General | |
| Category | Sulfide minerals |
| Formula (repeating unit) | NiS2 |
| IMA symbol | Va[1] |
| Crystal system | Isometric |
| Identification | |
| Color | Black, silver-gray |
| Cleavage | Distinct/good {001} |
| Mohs scale hardness | 4.5–5.5 |
| Luster | Metallic |
| Streak | Black |
| Diaphaneity | Opaque |
| Specific gravity | 4.45 |
| References | [2] |
References edit
- ^ Warr, L.N. (2021). "IMA–CNMNC approved mineral symbols". Mineralogical Magazine. 85 (3): 291–320. Bibcode:2021MinM...85..291W. doi:10.1180/mgm.2021.43. S2CID 235729616.
- ^ a b "Vaesite". mindat.org. Retrieved 2021-12-17.
- ^ Kerr, Paul F. (1945). "Cattierite and Vaesite: New Co-Ni Minerals from the Belgian Kongo" (PDF). American Mineralogist. 30 (7–8): 483–492. ISSN 1945-3027. S2CID 51786115.
- Webmineral.com - Vaesite
- Handbook of Mineralogy - Vaesite