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ATHENA

MINERALOGY

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Mineral:HOLTSTAMITE
Formula:Ca3(Al,Mn3+)2(SiO4)2(OH)4
Crystal System:Quadratic (Tetragonal)
Strunz Nr:8/A.08-210
Group:Garnet supergroup Henritermierite group
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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