Mineral description : Tellurobismuthite

Silvery white, flaky , but mostly dull and weathered.
Tellurobismuthite from Mångfallsberget, Sweden.

Mineral class Sulphides : Antimonite bismuthinite orpiment group.

Chemical formula Bi₂Te₃

Crystal system Trigonal.

Habitus As foliated aggregates, irregular plates, massive or fibrous.

Cleavage {0001} perfect, laminae flexible, somewhat sectile.

Hardness 1.5-2

Density 7.815

Color Pale lead gray, silvery gray, opaque.

Streak Pale lead gray.

Luster Metallic.

Description

Occurance

Associates

Notes Easy to mistake for Tetradymite.

Locations A rare mineral with two good localities in Sweden.

Mångfallsberget, Boliden, Västerbotten.
Boliden, Västerbotten.
Also found at localities in USA, Canada and Japan.

To sulphides index.
Mineral group index.
Main index.

If you have some questions, suggestions or comments you are welcome to write me a line or two.

axelsson@acc.umu.se

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Last changed : 1998-08-18

Mineral class	Sulphides : Antimonite bismuthinite orpiment group.
Chemical formula	Bi₂Te₃
Crystal system	Trigonal.
Habitus	As foliated aggregates, irregular plates, massive or fibrous.
Cleavage	{0001} perfect, laminae flexible, somewhat sectile.
Hardness	1.5-2
Density	7.815
Color	Pale lead gray, silvery gray, opaque.
Streak	Pale lead gray.
Luster	Metallic.
Description
Occurance
Associates
Notes	Easy to mistake for Tetradymite.
Locations	A rare mineral with two good localities in Sweden. Mångfallsberget, Boliden, Västerbotten. Boliden, Västerbotten. Also found at localities in USA, Canada and Japan.