Nekrasovite
A variety of Minerals
What is Nekrasovite?
See Nekrasov Cossacks for another meaning 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 Khayragatsch ore deposit of eastern Uzbekistan and named for Russian mineralogist Ivan Yakovlevich Nekrasov (born 1929).
Market Value Factors
Pricing varies for every rock and mineral, so use these universal factors to gauge Nekrasovite before comparing listings or appraisals.
Size & Weight
Larger, intact specimens usually command higher prices.
Rarity & Demand
Scarce material or popular varieties sell at a premium.
Condition & Finish
Chips, repairs, and heavy wear lower value; clean prep helps.
Treatment & Provenance
Untreated specimens with documented locality are prized.
Nekrasovite Localities Map
See where Nekrasovite is found with a localities map, collecting zones, and geology context. Generate a sample map preview below.
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Quick Facts
Physical Properties
- Color
- Pale brown
- Hardness (Mohs)
- 4.5
Chemical Properties
- Chemical Formula
- Cu26V2(Sn,As,Sb)6S32
- Elements
- As, Cu, S, Sb, Sn, V
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Nekrasovite FAQs
How do I identify Nekrasovite?
Nekrasovite can be identified by its hardness of 4.5 on the Mohs scale, Pale brown color. Look for these key characteristics when examining specimens.
What color is Nekrasovite?
Nekrasovite typically appears in Pale brown. Color can vary depending on impurities and formation conditions.
How hard is Nekrasovite?
Nekrasovite has a hardness of 4.5 on the Mohs scale. This gives it moderate hardness.
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