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ATHENA

MINERALOGY

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Mineral: ALLEGHANYITE
Formula: Mn2+5(SiO4)2(OH)2
Crystal System: Monoclinic
Group: Humite group. Manganhumite subgroup
IMA Number: 1932
References: AM 54 (1969), 1392; HB2/1 (1995)
Type Locality: Bold Hill, Alleghany Co., North Carolina, USA

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