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ATHENA

MINERALOGY

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Mineral: JERRYGIBBSITE
Formula: Mn2+9(SiO4)4(OH)2
Crystal System: Orthorhombic
Group: Humite group. Leucophoenicite subgroup
IMA Number: 1981-059
References: AM 69 (1984), 546; HB2/1 (1995)
Type Locality: Franklin, Sussex Co, New Jersey, USA

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