Efimyatskaya Mt, Efimyaty Village, Kama River, Okhansk, Permskaya Oblast', Middle Urals, Urals Region, Russia

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Volkonskoite : Ca_0.3(Cr,Mg,Fe)₂(Si,Al)₄O₁₀(OH)₂·4H₂O
	Efimyatskaya Mt, Efimyaty Village, Kama River, Okhansk, Permskaya Oblast', Middle Urals, Urals Region, Russia 1.3 x 1 cm specimen of volkonskoite - a chromium bearing species that is part of the smectite group of minerals.
© 1995-2001 Trinity	Photo ID: 18626 View Count: 632
Volkonskoite : Ca_0.3(Cr,Mg,Fe)₂(Si,Al)₄O₁₀(OH)₂·4H₂O
	Efimyatskaya Mt, Efimyaty Village, Kama River, Okhansk, Permskaya Oblast', Middle Urals, Urals Region, Russia size 3,5x4cm Paul Bongaerts specimen and photograph
© Paul Bongaerts	Photo ID: 24210 View Count: 371

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Efimyatskaya Mt, Efimyaty Village, Kama River, Okhansk, Permskaya Oblast', Middle Urals, Urals Region, Russia

Volkonskoite : Ca0.3(Cr,Mg,Fe)2(Si,Al)4O10(OH)2·4H2O

Volkonskoite : Ca0.3(Cr,Mg,Fe)2(Si,Al)4O10(OH)2·4H2O

Volkonskoite : Ca_0.3(Cr,Mg,Fe)₂(Si,Al)₄O₁₀(OH)₂·4H₂O

Volkonskoite : Ca_0.3(Cr,Mg,Fe)₂(Si,Al)₄O₁₀(OH)₂·4H₂O