Calcite from selected localities.
UK | |
| Chris Popham collection |
| D Vesty collection |
| Chris Popham collection |
Chris Popham collection | |
| Chris Popham Collection |
Chris Popham Collection |
UK | |
| Chris Popham collection |
| D Vesty collection |
| Chris Popham collection |
Chris Popham collection | |
| Chris Popham Collection |
Chris Popham Collection |
Pantmawr Mine, Devil's Bridge, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK