Organovaite

organovaite

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Formulae:
The organovaite group has members:
organovaite-(Mn) K2MnNb4(Si4O12)2O4.5-7H2O
organovaite-(Zn) K2Zn(Nb,Ti)4(Si4O12)2(O,OH)4.6H2O
They are cyclosilicates (ring silicates)

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