Frongoch Mine (Bron-y-Goch Mine; Llawynwnwch Mine), Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK | ⓘ Acanthite, ⓘ Anglesite, ⓘ Aurichalcite, ⓘ Bechererite, ⓘ Bindheimite, ⓘ Brianyoungite, ⓘ Brochantite, ⓘ Caledonite, ⓘ Cerussite, ⓘ Cesàrolite, ⓘ Chalcocite, ⓘ Chalcopyrite, ⓘ Chlorite Group, ⓘ Chrysocolla, ⓘ Copper, ⓘ Corkite, ⓘ Corkite-Hinsdalite Series, ⓘ Covellite, ⓘ Cuprite, ⓘ Elyite, ⓘ Galena, ⓘ Goethite, ⓘ Greenockite, ⓘ Gypsum, ⓘ Hemimorphite, ⓘ Hydrocerussite, ⓘ Hydrozincite, ⓘ Lanarkite, ⓘ Langite, ⓘ Lautenthalite, ⓘ Limonite, ⓘ Linarite, ⓘ Litharge, ⓘ Malachite, ⓘ Manganese Oxides, ⓘ Marcasite, ⓘ Massicot, ⓘ Mattheddleite, ⓘ Mudstone, ⓘ Namuwite, ⓘ Opal, ⓘ Pyrite, ⓘ Pyromorphite, ⓘ Quartz, ⓘ Ramsbeckite, ⓘ Redgillite, ⓘ Rosasite, ⓘ Sandstone, ⓘ Schulenbergite, ⓘ Serpierite, ⓘ Siltstone, ⓘ Silver, ⓘ Silver-bearing Galena, ⓘ Sphalerite, ⓘ Steverustite, ⓘ Sulphur, ⓘ Susannite, ⓘ Ullmannite, ⓘ Unnamed (Tetragonal Pb Oxide Hydrate), ⓘ Wroewolfeite, ⓘ Wulfenite |