Sulphur from selected localities.
UK | |
| Golley, P., and Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp. |
| Collection Richard De Nul |
UK | |
| Golley, P., and Williams, R. (1995): Cornish Mineral Reference Manual. Endsleigh Publications (Truro), 104 pp. |
| Collection Richard De Nul |
Wheal Ramoth, Perranporth, Perranzabuloe, Cornwall, England, UK