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ATHENA

MINERALOGY

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Mineral: OTTRELITE
Name: Ottrélite
Formula: (Mn,Fe2+,Mg)2Al4Si2O10(OH)4
Crystal System: Monoclinic / Anorthic (Triclinic)
Group: Chloritoid group
IMA Number: 1842
References: BM 101 (1978), 548; HB2/2 (1995)
Type Locality: Ottré, Ardennes, Belgium

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