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ATHENA

MINERALOGY

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Mineral:HASTINGSITE
Formula:NaCa2(Fe2+4Fe3+)Si6Al2O22(OH)2
Crystal System:Monoclinic
Group:Amphibole supergroup, w(OH,F,Cl)-dominant Ca subgr. Hastingsite group
References:MM 41 (1977), 43; HB2/1 (1995); MM 71 (2007), 651
Type Locality:Dungannon Twp., Hastings County, Ontario, Canada

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