Formula: Fe3+2(Te4+O3)3 (?)
Tellurite, questionable as a mineral species
Crystal System:
Specific gravity: 3.1
Hardness: 2 to 3
Streak: Yellowish brown
Colour: Brown or dark reddish brown, golden yellow to yellowish brown and brown in transmitted light
Environments
Localities
At the type locality, the Mohawk mine, Goldfield, Goldfield Mining District, Esmeralda county, Nevada, USA,
blakeite occurs very sparingly as microcrystalline crusts resting on unaltered
emmonsite crystals and associated with
tellurium, pyrite and
mackayite
(AM 29.211-225, Mindat).
Back to Minerals