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Manganese Oxides (Var: Manganese Dendrites) | |
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Cave Creek District, Verde Mts, Maricopa Co., Arizona, USA View is about 2 cm across. P. Cristofono specimen and photo, field-collected 2007. |
| © 2007 Peter Cristofono | Photo ID: 95578 View Count: 135 |
Quartz (Var: Jasper) : SiO2, Hematite : Fe2O3 | |
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Cave Creek District, Verde Mts, Maricopa Co., Arizona, USA 5 cm long specimen of red jasper with veins of gray metallic hematite. P. Cristofono specimen and photo, field-collected 2007. |
| © 2007 Peter Cristofono | Photo ID: 93224 View Count: 359 |
Quartz (Var: Jasper) : SiO2 | |
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Cave Creek District, Verde Mts, Maricopa Co., Arizona, USA 10 cm long specimen of red jasper. P. Cristofono specimen and photo, field-collected 2007. |
| © 2007 Peter Cristofono | Photo ID: 93358 View Count: 248 |
Quartz (Var: Jasper) : SiO2 | |
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Cave Creek District, Verde Mts, Maricopa Co., Arizona, USA 5 cm long specimen. P. Cristofono specimen and photo, field-collected 2007. |
| © 2007 Peter Cristofono | Photo ID: 93831 View Count: 232 |
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