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ATHENA

MINERALOGY

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Mineral: MARUYAMAITE
Formula: K(MgAl2)(Al5Mg)(BO3)3(Si6O18)(OH)3O
Crystal System: Rhombohedral (Trigonal) pseudo Hexagonal
Group: Tourmaline group
IMA Number: 2013-123
References: AM 101 (2016), 355; Min. Pet. 113 (2019), 613
Type Locality: Kumdy-Kol area, Kokchetav Massif, Kokshetau, Akmola, Kazakhstan

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