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ATHENA

MINERALOGY

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Mineral: RIBBEITE
Formula: (Mn2+,Mg)5(SiO4)2(OH)2
Crystal System: Orthorhombic
Group: Humite group. Leucophoenicite subgroup
IMA Number: 1985-045
References: AM 72 (1987), 213; HB2/2 (1995)
Type Locality: Kombat mine, Tsumeb, Otavi, Namibia

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