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- See Nekrasov Cossacks for another meaning
| Nekrasovite | |
|---|---|
| General | |
| Category | Mineral |
| Formula (repeating unit) | Cu26V2(Sn,As,Sb)6S32 |
| Identification | |
| Color | Brown |
| Mohs scale hardness | 4.5 |
| Diaphaneity | Opaque |
| Specific gravity | 4.62 |
Nekrasovite is a rare copper vanadium sulfosalt mineral with formula Cu26V2(Sn,As,Sb)6S32. It crystallizes in the isometric system and occurs as small grains in ore aggregates. It is a brown opaque metallic mineral with Mohs hardness of 4.5 and a specific gravity of 4.62.
It was first described in 1984 in the Kayragach (Qayragʻoch) Au-Te ore deposit, Ohangaron District, Tashkent Region, eastern Uzbekistan and named for Russian mineralogist Ivan Yakovlevich Nekrasov [ru].
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