petzite


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petzite

[′pet‚sīt]
(mineralogy)
Ag3 AuTe2 A steel-gray to iron-black mineral consisting of a silver gold telluride; hardness is 2.5-3 on Moh's scale, and specific gravity is 8.7-9.0.
References in periodicals archive ?
The main concentrations of gold are found in native gold and Petzite, broadly distributed among tellurides, and in silver concentrates, mixed with native gold, Hessite, and Petzite.