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ATHENA

MINERALOGY

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Mineral: EDGREWITE
Name: Эдгрюит
Formula: Ca9(SiO4)4F2
Crystal System: Monoclinic
Group: Humite group. Chegemite series
IMA Number: 2011-058
References: AM 97 (2012), 1998
Type Locality: Lakargi Mt., Verkhnechegemskaya caldera (Upper Chegem caldera), Kabardino-Balkarian Republic, Northern Caucasus Region, Russia

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