Nevskite

nevskite

natanite

laitakarite

guanajuatite

Images

Formula: Bi(Se,S)
Selenide/sulphide, bismuth-bearing mineral
Specific gravity: 7.85 calculated
Hardness: 3
Colour: Lead-grey
Common impurities: Pb,Ag
Environments

Hydrothermal environments

Localities

At the Niederschlema-Alberoda U-Se-polymetallic deposit, Erzegebirge, Saxony, Germany, nevskite occurs either as small rims between watkinsonite and clausthalite, or as small grains associated with watkinsonite and bohdanowiczite in the body of clausthalite (CM 43: 899-908.).

At the type locality, the Nevskoe W-Sn Deposit, Omsukchansky District, Magadan Oblast, Russia, nevskite occurs as microscopic grains in quartz-cassiterite veins, associated with wolframite, cassiterite, natanite, laitakarite and guanajuatite, forming irregular deposits up to 1-2 mm in diameter (AM 70.875)

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