Franklinite. Another pic of the same piece. The calcite is strongly fluroescent under UV lamp (long wave in this case) (Author: Antonio Alcaide)
| Dimensiones: | 600 x 401 |
| Tamaño fichero: | 21.45 kbytes |
| Captura: | |
| Modelo cámara: | |
| Velocidad obturador: | |
| Focal length: | |
| Apertura: | |
| Flash: | |
| ISO: |