Deep Color Veszelyite Crystals from Montana
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



 
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