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ATHENA

MINERALOGY

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Mineral: HOLTSTAMITE
Formula: Ca3(Al,Mn3+)2(SiO4)2(OH)4
Crystal System: Quadradic (Tetragonal)
Group: Garnet supergroup. Henritermierite group
IMA Number: 2003-047
References: EJM 17 (2005), 375; AM 90 (2005), 1946; AM 98 (2013), 785
Type Locality: Wessels mine, Kalahari Mn field, Kuruman Hill, Cape Province, South Africa

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