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Volkonskoite

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CAM166809

Volkonskoite

Type Locality

Description Tabs

Description
Locality: 
Efimyatskaya Mountain, Efimyata Village, Kama River, Perm Krai, Russian Federation
Size Range: 
Small miniature (3-4.5 cm)
Size: 
4.3 × 2.8 × 2.7 cm
Description

Dark green massive volkonskoite.
Volkonskoite is a rare chromium bearing mineral of the smectite group and was named after Prince Petr Volkonskoy (1776-1852).

Mineral Data
What's on the rock

Volkonskoite

Formula: 
Ca0.3(Cr,Mg,Fe)2((Si,Al)4O10)(OH)2·4H2O
Strunz: 
9.EC.40
Hardness: 
1.0 - 2.0
Type Locality: 
Efimyatskaya Mt, Efimyata Village, Kama River, Okhansk, Permskaya Oblast', Middle Urals, Urals Region, Russia...
Cartils Minerals

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