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Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion (Dyfed; Cardiganshire), Wales, UK

Elyite
Llechwedd Helyg Mine, Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK

Photo: Steve Rust
UK Grid Reference: SN683847
Latitude: 52°26'38"N
Longitude: 3°56'16"W
Llechwedd Helyg mine, developed a section of the Camdwr fault system, which is recorded as being up to 9 mts wide here. The mine was worked befor 1853, when it was reopened. The mine continued to be worked until 1862, with only 3 tons of lead ore being recorded for this 10 year period.
The mine produced some of mid-Wales best examples of malachite, for a short time from the dumps.

Mineral List

Anglesite
Aurichalcite ?
Bornite
Bournonite
Brochantite
Calcite
Caledonite
Cerussite
Chalcocite
Chalcopyrite
Chenite
Chrysocolla
Covellite
Elyite
Galena
Goethite
Gold
Hydrocerussite
Hydrozincite
Langite
Limonite
Linarite
Malachite
Marcasite
Mattheddleite
Pyrite
Pyrolusite
Pyromorphite
Quartz
Redgillite
Schmiederite
Sphalerite
Steverustite
Susannite
'Unnamed (Cu-Pb Silicate ?)'
Wroewolfeite
Wulfenite


37 entries listed. 35 valid minerals.

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Copyright © Jolyon Ralph and Ida Chau 1993-2011. Site Map. Locality, mineral & photograph data are the copyright of the individuals who submitted them.Further information contact the Site hosted & developed by Jolyon Ralph. Mindat.org is an online information resource dedicated to providing free mineralogical information to all. Mindat relies on the contributions of hundreds of members and supporters. Mindat does not offer minerals for sale. If you would like to add information to improve the quality of our database, then click here to register. Current server date and time: 17th Jun 2011 12:11:43
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