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Vernadite : (Mn4+,Fe3+,Ca,Na)(O,OH)2·nH2O, Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O

 
 
minID: V1U-LNY

Vernadite : (Mn4+,Fe3+,Ca,Na)(O,OH)2·nH2O, Todorokite : (Ca,K,Na,Mg,Ba,Mn)(Mn,Mg,Al)6O12·3H2O

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Vernadite (prevail) - todorokite spheroidal dendritic aggregate in calcite vein. Size 20x15 cm. Collection (#0290, found in 1993) and photo A. Tischenko.

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Photo added: 11th Feb 2010