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Pokrovskite & Callaghanite

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SHS74334

Pokrovskite & Callaghanite

Description Tabs

Description
Locality: 
Gabbs, Nye County, Nevada, United States of America
Size Range: 
Thumbnail (1-3cm)
Size: 
1.6 × 1 × 1 cm
Description

Porovskite with some nice blue callaghanite cystals on matrix

Mineral Data
What's on the rock

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...

Callaghanite

Formula: 
Cu2Mg2(CO3)(OH)6·2H2O
Strunz: 
5.DA.25
Crystal System: 
Monoclinic
Hardness: 
3.0 - 3.5
Type Locality: 
Sierra Magnesite Mine (Premier Chemicals Mine; Gabbs Magnesite-Brucite Mine; Basic Refractories Mine; Basic Mine), Gabbs, Gabbs District, Paradise Range, Nye Co., Nevada, USA