Images
Formula: Ni3(AsO4)2
Anhydrous arsenate
Crystal System: Monoclinic
Specific gravity: 5.37 measured, 5.37 calculated
Hardness: 4
Colour: Golden yellow
Luminescence: Not fluorescent under UV
Environments
Localities
At the type locality, Johanngeorgenstadt, Erzgebirgskreis, Saxony, Germany, xanthiosite occurs in the
arsenic - nickel -
uranium deposit associated with uraninite and
bunsenite
(Mindat).
Xanthiosite from Johanngeorgenstadt - Image
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