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ATHENA

MINERALOGY

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Mineral: APJOHNITE
Formula: Mn2+Al2(SO4)4.22H2O
Crystal System: Monoclinic
Group: Halotrichite group
IMA Number: 1847
References: MM 40 (1976), 599; HB5 (2003)
Type Locality: Delagoa (Lourenco Marques) Bay, Maputo, Mozambique.

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