Aurostibite

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Aurostibite
General
Category Sulfide minerals
Formula
(repeating unit)
AuSb2
Strunz classification 02.EB.05a
Identification
Formula mass 440.47 g/mol
Color White to grey with bornite-like tarnish
Crystal system Isometric
Cleavage Indistinct
Tenacity Brittle
Mohs scale hardness 3
Luster metallic
Diaphaneity Opaque
Specific gravity 9.98
References [1][2][3]

Aurostibite is an isometric gold antimonide mineral which is a member of the pyrite group. Aurostibite was discovered in 1952 and can be found in hydrothermal gold-quartz veins, in sulfur-deficient environments that contain other antimony minerals. The mineral can be found in Yellowknife in the Northwest Territories of Canada, and the Timiskaming District in Ontario, Canada. Antimonides are rare and are normally placed in the sulfide class by mineralogists.

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