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ATHENA

MINERALOGY

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Mineral: WILLEMSEITE
Formula: (Ni,Mg)3Si4O10(OH)2
Crystal System: Monoclinic
Group: Pyrophyllite-Talc group
IMA Number: 1971 s.p.
References: AM 55 (1970), 31; HB2/2 (1995)
Type Locality: Scotia Talc mine, Bon Accord, Barberton distr., Transvaal, South Africa

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