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Posnjakite Psm Brochantite

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HCH151144

Posnjakite Psm Brochantite

Description Tabs

Description
Locality: 
Weiße Mine, Imsbach, Donnersbergkreis, Rhineland-Palatinate, Germany
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4 × 1 × 1 cm
Largest Crystal: 
0.10cm
Description

Blue pseudomorphoses from posnjakite after brochantite crystals on rhyolithe.

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...

Brochantite

Formula: 
Cu4(SO4)(OH)6
Strunz: 
7.BB.25
Crystal System: 
Monoclinic
Hardness: 
3.5 - 4.0
Type Locality: 
Mednorudyanskoye Cu Deposit, Nizhnii Tagil, Sverdlovskaya Oblast', Middle Urals, Urals Region, Russia...

Seller Information

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