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Pyrite
TXI Cement Quarry, Ellis Co., Texas, USA
13 x 8 x 8 cm
Detail of the pyrite cluster. The faces of the cubes show hillocks and the octahedral faces have cuboctahedral growths. Not very common!! (Author: Antonio Alcaide)
| Dimensiones: | 742 x 800 |
| Tamaño fichero: | 66.79 kbytes |
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