Aerugite

aerugite

bismuth

bunsenite

xanthiosite

Images

Formula: Ni8.5(AsO4 )2As5+O8
Anhydrous arsenate of nickel
Specific gravity: 5.85
Hardness: 4
Streak: Pale green, pale blue-green
Colour: Dark grass-green, blue-green, pale brown
Environments

Hydrothermal environments

Aerugite is a rare secondary mineral in hydrothermal nickel-arsenic-uranium ore deposits. Associated minerals include bismuth, bunsenite and xanthiosite (Mindat).

Localities

At the type locality, Johanngeorgenstadt, Erzgebirgskreis, Saxony, Germany, aerugite was found in an oxidised vein in a nickel-arsenic deposit, associated with bismuth, bunsenite and xanthiosite (HOM).

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