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UK | |
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| S.Rust Collection |
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| S.Rust Collection |
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| Wolfe, M. (1996) Mineral news. UK Journal of Mines and Minerals 16, 4-12
Rust, S. A. (1996) Millerite from Penberthy Croft Mine, Cornwall. UK Journal of Mines and Minerals 16, 15
Betterton, J. (1996) Mattheddleite: the first Cornish occurrence. UK Journal of Mines and Minerals 16, 15 |
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| Wolfe, M. (1996) Mineral news. UK Journal of Mines and Minerals 16, 4-12
Betterton, J. (1996) Mattheddleite: the first Cornish occurrence. UK Journal of Mines and Minerals 16, 15 |
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| S Rust collection |
- Upper Llanfihangell-y-Creuddyn
| 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 |
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| S Rust collection |
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| S.Rust Collection |
Daren Mine, Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK