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Quartz on Sphalerite
Magma Mine, Pioneer District, Superior, Pinal County, Arizona, USA
53 x 31 x 16 mm
Quartz points to 7 x 2 mm cover lustrous black Sphalerite. (Author: GneissWare)
| Dimensiones: | 750 x 506 |
| Tamaño fichero: | 47.85 kbytes |
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