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ATHENA

MINERALOGY

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Mineral: CHARLESITE
Formula: Ca6(Al,Si)2(SO4)2B(OH)4(OH,O)12.26H2O
Crystal System: Hexagonal
Group: Ettringite group
IMA Number: 1981-043
References: AM 68 (1983), 1033; HB5 (2003)
Type Locality: Franklin, Sussex Co, New Jersey, USA

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