Vaesite
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. It is part of the pyrite group.
| Vaesite | |
|---|---|
Vaesite on a matrix | |
| General | |
| Category | Sulfide minerals |
| Formula (repeating unit) | NiS2 |
| IMA symbol | Va |
| 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 | |
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