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ATHENA

MINERALOGY

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Mineral: FERROOBERTIITE = FERROFERRIOBERTIITE
Name: Ferro-obertiite or Ferro-ferri-obertiite
Formula: NaNa2(Fe2+3Fe3+Ti4+)Si8O22O2
Crystal System: Monoclinic
Group: Amphibole supergroup, with (O) dominant. Obertiite root name group
References: CM 48 (2010), 301; AM 97 (2012), 2031
Type Locality: Coyote Peak, Orick, Humboldt Co., California, USA

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