Tetrahedrite Subgroup from Trefeirig, Ceredigion, Wales, UK
UK | |
| S. Rust collection |
| Day, Harry (1999) BMS Database, British Micromount Society. |
| Day, Harry (1999) BMS Database, British Micromount Society. |
| |
Day, Harry (1999) BMS Database, British Micromount Society. |
Daren Mine, Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK