Calcite
Blaengwynlais Quarry, Bwlch-y-cwm, Cardiff, Wales, UK
120mm calcite crystal showing different growth phases, the latter white calcite partially coating an earlier crystal darkened by ironstaining. Collected 1979. (Author: ian jones)
| Dimensions: | 800 x 600 |
| File size: | 61.05 kbytes |
| Taken on: | |
| Camera model: | |
| Shutter speed: | |
| Focal length: | |
| Aperture: | |
| Flash: | |
| ISO: |