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Abril Mine (Dos Hermanos Mine; Herrera Mine), Cochise Stronghold, Middle Pass District, Dragoon Mts, Cochise Co., Arizona, USA

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Coronadite : Pb(Mn4+,Mn3+)8O16, Calcite : CaCO3

Abril Mine (Dos Hermanos Mine; Herrera Mine), Cochise Stronghold, Middle Pass District, Dragoon Mts, Cochise Co., Arizona, USA

Black coronadite, colorless calcite, and an undetermined yellow-orange mineral. View is about 6 mm across. P. Cristofono specimen and photo.
 © 2008 Peter CristofonoPhoto ID: 159153    View Count: 97
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