Acceso a Foro FMF
Guía de uso de Galería FMF
Coarse spherical aggregate of graphite crystals partially dissolved from enclosing calcite matrix, with associated unidentified silicates. (1.2-mm diameter) (Author: John Jaszczak)
| Dimensiones: | 750 x 548 |
| Tamaño fichero: | 34.72 kbytes |
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