Credit: Keys Minerals



Scorodite

Formula:  FeAsO₄·2H₂O
System:Orthorhombic
Colour:Green, blue-green, grey, ...
Lustre: Sub-Adamantine, Vitreous, Resinous
Hardness:3½ - 4
Scorodite is a common hydrated iron arsenate mineral, with the chemical formula FeAsO₄·2H₂O. It is found in hydrothermal deposits and as a secondary mineral in gossans worldwide.

From Tsumeb Mine, Tsumeb, Namibia
Ex. Wolfgang Pohl coll.


 
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