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ATHENA

MINERALOGY

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Mineral: FERROGEDRITE
Name: Ferro-gedrite
Formula: ▢(Fe2+,Mg)5Al2Si6Al2O22(OH)2
Crystal System: Orthorhombic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Mg-Fe-Mn subgr. Gedrite group
IMA Number: 2012 s.p.
References: HB2/1 (1995); CM 35 (1997), 219; Crystals 9 (2019), 521
Comments: ▢ = vacancy

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