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ATHENA

MINERALOGY

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Mineral: MAGNESIORIEBECKITE
Name: Magnesio-riebeckite
Formula: ▢Na2(Mg3Fe3+2)Si8O22(OH)2
Crystal System: Monoclinic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Amphibole Na subgroup. Riebeckite group
IMA Number: 2012 s.p.
References: AM 63 (1978), 1023; HB2/2 (1995)
Type Locality: Ambatofinandrahama, Ambato department, Torendrika, Madagascar
Comments: ▢ = vacancy

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