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ATHENA

MINERALOGY

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Mineral: PICKERINGITE
Formula: MgAl2(SO4)4(H2O)17.5H2O
Crystal System: Monoclinic
Group: Halotrichite group
IMA Number: 1844
References: Am. J. Sci. 46 (1844), 360; HB5 (2003)
Type Locality: Cerro Pintados, Iquique, Tamarugal Pampa, Tarapacá prov., Chile

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