Casiterita
AP-6 tunnel works, San Rafael, El Espinar, Comarca Comunidad de Ciudad y Tierra de Segovia, Segovia, Castile and León, Spain
Cristal de 13 x 8 mm
(Autor: Antonio Carmona)
| Dimensions: | 1600 x 1072 |
| File size: | 119.33 kbytes |
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