Tellurobismuthite

Tellurobismuthite is a mineral form of bismuth telluride (Bi₂Te₃) with trigonal structure and lattice parameters a=0.439 nm and c=3.06 nm. There are natural cleavage planes in the (0001) direction as the crystal is effectively lamellar (layered) in that plane. The Mohs hardness is 2 and the density is 7815 kg.m^-3. It is a dull grey colour, which is particularly lustrous on initial fracture.

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It is found in Telemark, Norway and in the USA in Hidalgo County, New Mexico and Lumpkin County, Georgia.

See also

• List of minerals

References

• D. M Chizhikov and V. P. Shchastlivyi, 1966, Tellurium and Tellurides, Nauka Publishing, Moscow