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Coronadite : Pb(Mn4+,Mn3+)8O16, Calcite : CaCO3 | |
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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 Cristofono | Photo ID: 159153 View Count: 97 |
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