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Pyroaurite-2H & Pokrovskite

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AMM1006138

Pyroaurite-2H & Pokrovskite

Rare Mineral

Description Tabs

Description
Locality: 
Huber Quarry, Winklarn, Upper Palatinate, Bavaria, Germany
Class: 
Crystals on Matrix
Size Range: 
Small miniature (3-4.5 cm)
Size: 
3.2 × 2.2 × 1.9 cm
Description

Fine and completely covered specimen with bluish six-sided pyroaurite-2H in association with brown pokrovskite. Very richly decorated specimen. Very interesting colour for that mineral, former called sjögrenite.

Pyroaurite-2H is only known from a few localities worldwide.

Mineral Data
What's on the rock

Pyroaurite-2H

Formula: 
Mg6Fe3+2(CO3)(OH)16·4H2O
Strunz: 
5.DA.45
Crystal System: 
Hexagonal
Hardness: 
2.5
Type Locality: 
Långban, Filipstad, Värmland, Sweden

Pokrovskite

Formula: 
Mg2(CO3)(OH)2
Strunz: 
5.BA.10
Hardness: 
3.0
Type Locality: 
Dunite lens, Zlatogorsk ultramafic intrusion, Zlatogorsk, Northern Kazakhstan Province (Soltüstik Qazaqstan Oblysy; Severo-Kazakhstanskaya Oblast'), Kazakhstan...

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Money back guarantee is valid until 14 days after receiving the payment. The refund will be initiated immediately upon receiving the minerals back. Due to the return time, there may be a delay in the refund.