Specific gravity: 5.82
Hardness: 6 to 6½
Streak: Yellow to brown
Colour: Yellowish brown, lemon-yellow, brown-black
Tripuhyite is an alteration product of stibnite and
pyrite in the oxidation zone of some hydrothermal antimony
deposits, and it is also a
At the type Locality, Tripuí, Ouro Preto district, Ouro Preto, Minas Gerais, Brazil, tripuhyite is associated with hydroxycalcioroméite, monazite, rutile, kyanite and magnetite (HOM).
At the Mopung Hills, Nevada, USA, tripuhyite is associated with selenium, sulphur, stibiconite, senarmontite, roméite and mopungite (HOM).
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