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Posnjakite & Chrysocolla

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MLS611569

Posnjakite & Chrysocolla

Classic Locality

Description Tabs

Description
Locality: 
Henclová, Gelnica County, Košice Region, Slovakia (Slovak Republic)
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.3 × 2.4 × 1.8 cm
Description

Posnjakite with some chrysokolla from the Woertzel Collection in Berlin.Found from14.10.1998

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...

Chrysocolla

Formula: 
Cu2-xAlx(H2-xSi2O5)(OH)4·nH2O (x < 1)
Strunz: 
9.ED.20
Crystal System: 
Monoclinic
Hardness: 
2.5 - 3.5
Minerals Show

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