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ATHENA

MINERALOGY

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Mineral: HYDROKENOMICROLITE-3R
Formula: (▢,H2O)2Ta2(O,OH)6(H2O)
Crystal System: Cubic
Group: Pyrochlore supergroup. Microlite group
References: MM 85/3 (2021), 291
Type Locality: Volta Grande mine, Nazareno, Minas Gerais, Brazil
Comments: a polytype of HYDROKENOMICROLITE

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