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ATHENA

MINERALOGY

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Mineral: SAPONITE
Formula: Ca0,25(Mg,Fe)3((Si,Al)4O10)(OH)2.nH2O
Crystal System: Monoclinic
Group: Smectite group
IMA Number: 1840
References: EJM 6 (1994), 99; HB2/2 (1995)
Type Locality: Lizard Point, Cornwall, England

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