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Volkonskoite

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SMM689406

Volkonskoite

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Description
Locality: 
Fortullino, Rosignano Marittimo, Livorno Province, Tuscany, Italy
Class: 
Massive/Crystalline
Size Range: 
Thumbnail (1-3cm)
Size: 
1.5 × 1 × 0.8 cm
Description

Greenish volkonskoite on matrix.

Boxed with Label
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...

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