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| Photo credit: Gianfranco Ciccolini |
Veszelyite
A rare secondary Cu-Zn mineral occurring in the oxidised zones of base metal deposits.
Formula: Cu2+3PO4(OH)3·2H2O
System: Monoclinic
Colour: Green, blue, greenish ...
Hardness: 3½ - 4
From: Black Pine Mine , Black Pine Ridge, John Long Mts, , Granite Co., Montana, USA
