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ATHENA

MINERALOGY

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Mineral: ROUMAITE
Formula: (Ca,Na,Ce,La)6-7(Nb,Ti4+)(Si2O7)(OH)F3
Crystal System: Monoclinic
Group: Seidozerite supergroup. Rinkite group
IMA Number: 2008-024
References: CM 48 (2010), 17
Type Locality: Rouma Island, Los Archipelago, Guinea

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