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ATHENA

MINERALOGY

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Mineral: MAGNESIOFERRIFLUOROHORNBLENDE
Name: Magnesio-ferri-fluoro-hornblende
Formula: ▢Ca2(Mg4Fe3+)(Si7Al)O22F2
Crystal System: Monoclinic
Group: Amphibole supergroup, with (OH,F,Cl) dominant. Ca subgroup. Hornblende group
IMA Number: 2014-091
References: MM 79 (2015), 248; MM 80 (2016), 269
Type Locality: Strada SP 108, Portoscuso, Carbonia-Iglesias, Sardegna (Sardinia), Italy
Comments: ▢ = vacancy

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