Formula: Fe3+2(Te4+O3)3 (?)
Tellurite, questionable as a mineral species
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
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