Amethyst from St Day, Cornwall, England, UK
UK | |
| Robin Selley and Roger Eslick (2004) Cathedral Mine. BMS Newsletter 68:13-14 |
| Paul De Bondt collection |
UK | |
| Robin Selley and Roger Eslick (2004) Cathedral Mine. BMS Newsletter 68:13-14 |
| Paul De Bondt collection |
Wheal Grambler, St Aubyn United Mines, St Day, Cornwall, England, UK