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ATHENA

MINERALOGY

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Mineral: MELCHERITE
Formula: Ba2Na2Mg[Nb6O19].6H2O
Crystal System: Rhombohedral (Trigonal)
IMA Number: 2015-018
References: MM 82/1 (2018), 111
Type Locality: In the carbonatite of the Jacupiranga mine, Cajati, São Paulo, Brazil

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