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ATHENA

MINERALOGY

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Mineral: FRANKLINFURNACEITE
Formula: Ca2(Fe3+Al)Mn3+Mn2+3Zn2Si2O10(OH)8
Crystal System: Monoclinic
Group: Chlorite group
IMA Number: 1986-034
References: AM 72 (1987), 812; HB2/1 (1995)
Type Locality: Franklin, Sussex Co, New Jersey, USA

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