Switch currency

Volkonskoite

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