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Chalcopyrite with Malachite, East Pool Mine, Illogan, Cornwall, EnglandCapillary chalcopyrite with malachite. This specimen was drawn for Specimens of British Minerals, Selected from the Cabinet of Philip Rashleigh (1797, Volume 1, Plate 6)
Chalcocite with Chalcopyrite, Tincroft Mine, Illogan, Cornwall, EnglandSteel coloured crystals of chalcocite covering chalcopyrite. This botryoidal variety of chalcopyrite is known as blister copper
Goethite with Calcite, Forest of Dean, Gloucestershire, EnglandStalactitic goethite with colourless calcite crystals. This variety of goethite, known as brush ore, was high quality iron ore from the Forest of Dean, often containing between 60-65% iron
Chalcopyrite on Baryte, Ecton Mine, Ecton Hill, Staffordshire, EnglandBrassy yellow chalcopyrite on botryoidal cream baryte. This specimen is a classic example from the Ecton Copper Mines in Staffordshire. Chalcopyrite is an important copper ore
Chalcopyrite on Quartz, Dolcoath Mine, Camborne, Cornwall, EnglandBrassy yellow crystals of chalcopyrite, with an iridescent tarnish, on colourless quartz crystals. The specimen label states Six sided cristals of yellow copper ore crossing each other in opake