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ATHENA

MINERALOGY

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Mineral: FERRORICHTERITE
Name: Ferro-richterite
Formula: Na(CaNa)Fe2+5Si8O22(OH)2
Crystal System: Monoclinic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Na-Ca subgroup. Richterite group
IMA Number: 2012 s.p.
References: Sv. Geol. Und. 40 (1946), 1; HB2/1 (1995); CM 35 (1997), 219

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