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ATHENA

MINERALOGY

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Mineral: ALMEIDAITE
Formula: PbZn2(Mn,Y)(Ti,Fe3+)18O37(OH,O)
Crystal System: Rhombohedral (Trigonal)
Group: Crichtonite group
IMA Number: 2013-020
References: MM 77/6 (2013), 2705
Type Locality: Unnamed deposit, Novo Horizonte, Bahia, Brazil

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