Ramsbeckite from Ceredigion, Wales, UK
UK | |
| Day, Harry (1999) BMS Database, British Micromount Society. |
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| Day, Harry (1999) BMS Database, British Micromount Society. |
| S.Rust Collection |
| Rust, Steve A. (2019) Minerals of the Frongoch Mine. Published by the author, 180 pages. ISBN 978-1-9162641-0-6. Day, Harry (1999) BMS Database, British Micromount Society. Green, D.I., Rust, S.A., Mason, J.S. (1996) Classic British mineral localities: Frongoch mine, Dyfed. UK Journal of Mines and Minerals 17, Rockbottom Publications. 29-39 |
| Mason, J. S., Rust, S. A. (1997) The Mineralogy of Ystrad Einion Mine, Dyfed, Wales. UK Journal of Mines and Minerals 18, 33-36 |
Penrhiw Mine, Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK