Obviously this is a reasonably commmon mineral but the habit here seemed worthy of a photograph. This Tremolite is from the Grace Mine, in Berks County, Pennsylvania. The specimen is 1 1/4" (3.18 cm). (Author: Jim Prentiss)
| Dimensiones: | 750 x 550 |
| Tamaño fichero: | 81.57 kbytes |
| Captura: | |
| Modelo cámara: | |
| Velocidad obturador: | |
| Focal length: | |
| Apertura: | |
| Flash: | |
| ISO: |