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Posnjakite

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SHS63644

Posnjakite

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Description
Locality: 
Oberschulenberg, Goslar, Lower Saxony, Germany
Size Range: 
Thumbnail (1-3cm)
Size: 
1.4 × 0.7 × 0.6 cm
Description

Posnjakite in matrix

Mineral Data
What's on the rock

Posnjakite

Formula: 
Cu4(SO4)(OH)6·H2O
Strunz: 
7.DD.10
Crystal System: 
Monoclinic
Hardness: 
2.0 - 3.0
Type Locality: 
Nura-Taldy W deposit, Karagandy Province (Qaragandy Oblysy; Karaganda Oblast'), Kazakhstan...