Franklinite. Another pic of the same piece. The calcite is strongly fluroescent under UV lamp (long wave in this case) (Author: Antonio Alcaide)
| Dimensions: | 600 x 401 |
| File size: | 21.45 kbytes |
| Taken on: | |
| Camera model: | |
| Shutter speed: | |
| Focal length: | |
| Aperture: | |
| Flash: | |
| ISO: |