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Tellurobismuthite

A species of Minerals, Also known as Tellurbunden Wismuth, Tellurobismutite, Tellur-wismuth

Tellurobismuthite is a telluride mineral: bismuth telluride (Bi2Te3). It crystallizes in the trigonal system. There are natural cleavage planes in the (0001) direction as the crystal is effectively lamellar (layered) in that plane. The Mohs hardness is 1.5 - 2 and the specific gravity is 7.815. It is a dull grey color, which exhibits a splendent luster on fresh cleavage planes.

Hardness:

1.5 - 2

General Info About Tellurobismuthite

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Physical Properties of Tellurobismuthite

Colors

Lead-grey

Streak

Pale lead-gray

Hardness

1.5 - 2 , Extremely soft

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Chemical Properties of Tellurobismuthite

Formula

Bi₂Te₃

Elements listed

Bi, Te

Common Impurities

Characteristics of Tellurobismuthite

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Formation of Tellurobismuthite

It was first described in 1815 and type localities include the Mosnap mine in Toke, Telemark, Norway; the Little Mildred mine, Sylvanite District, Hidalgo County, New Mexico and the Boly Field Mine, Dahlonega, Lumpkin County, Georgia. It occurs in low sulfur hydrothermal gold-quartz veins and occurs with native gold, native bismuth, gold tellurides, tetradymite, altaite, chalcopyrite and pyrrhotite.

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