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MINERALOGY

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Mineral: FERROACTINOLITE
Name: Ferro-actinolite
Formula: ▢Ca2Fe2+5Si8O22(OH)2
Crystal System: Monoclinic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Ca subgroup. Edenite group
IMA Number: 2012 s.p.
References: Sv. Geol. Und. 40 (1946), 1; HB2/1 (1995); CM 35 (1997), 219
Comments: ▢ = vacancy

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