ATHENA MINERALOGY |
Mineral: | ROUMANITE |
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Formula: | (Ca,Na,REE,▢)7(Nb,Ti)[Si2O7]2OF3 |
Crystal System: | Monoclinic |
Group: | Seidozerite supergroup. Rinkite group |
References: | CM 48 (2010), 17 |
Type Locality: | Rouma Island, Los Islands (Iles de Los), Conakry, Guinea |
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