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Pokrovskite & Artinite

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ESM503549

Pokrovskite & Artinite

Description Tabs

Description
Locality: 
KCA Quarry, Clear Creek, San Benito County, California, United States of America
Class: 
Combination
Size Range: 
Small miniature (3-4.5 cm)
Size: 
1.6 × 3.5 × 1.9 cm
Description

Light brown spheres of prokovskite with white aggregates of artinite

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...

Artinite

Formula: 
Mg2(CO3)(OH)2·3H2O
Strunz: 
5.DA.10
Crystal System: 
Monoclinic
Hardness: 
2.5
Streak: 
White
Type Locality: 
Dossi di Franscia (Franscia Mine; Franscia Mines; Franscia Quarries), Campo Franscia (Franscia), Lanzada, Lanterna Valley, Malenco Valley, Valtellina, Sondrio Province, Lombardy, Italy