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Aragonite : CaCO3 | |
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Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Aragonite crystals to 20mm, sitting on small tan rhombs of possibly calcite, on a quartz/brown jasper matrix. Specimen size 5 x 4 x 4 cm Collection and photo - Colin Fearon |
| © Colin Fearon | Photo ID: 191938 View Count: 62 |
Bornite : Cu5FeS4 | |
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Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Bornite pseudomorphs after lentil-shaped chalcocite crystals to about 4 mm across. Field width: 3 cm. P Haas photograph and collection (no. 22-023), ex RC Simmonds collection. |
| © Peter Haas | Photo ID: 26708 View Count: 434 |
Bornite : Cu5FeS4 | |
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Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Bornite crystals on a sulphide matrix. The label states Wheal Cock Mine, Carnyorth, West Cornwall. Collection and photo, Paul De Bondt. |
| © Paul De Bondt | Photo ID: 227735 View Count: 40 |
Calcite : CaCO3, Rhodochrosite : MnCO3, Goethite : α-Fe3+O(OH), Quartz (Var: Smoky Quartz) : SiO2 | |
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Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Brownish crystals of calcite and tufts of acicular goethite on pale pink balls of rhodochrosite and smoky quartz. Collected in 2000. Field width: 2.6 cm. P Haas photograph and collection (no. 52-160), ex G Moffatt collection. |
| © Peter Haas | Photo ID: 38766 View Count: 285 |
Calcite : CaCO3, Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS | |
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Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Double terminated Calcite xtls to 3mm on Arsenopyrite. Collected, Photographed by and in Bill Gordon collection. |
| © Bill Gordon | Photo ID: 129602 View Count: 78 |
Chalcocite : Cu2S | |
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Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK A dense metallic matrix is first coated with pyrite then crowned with an incredible array of chalcocite "tombstones." Tremendous crystallisation - a very good specimen.Ex Roland Thomas Collection Label No:228 |
| © 2002 Thames Valley Minerals | Photo ID: 5558 View Count: 389 |
Chalcopyrite : CuFeS2 | |
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Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Chalcopyrite crystals in quartz vein. Wheal Cock dumps, August 2009. Size of coin 26mm. |
| © M.Alferova | Photo ID: 253423 View Count: 126 |
Connellite : Cu19[(OH)32|SO4|Cl4] · 3H2O | |
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Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK submillimeter spheruliths |
| © Maurice de Graaf | Photo ID: 31522 View Count: 295 |
Copper : Cu | |
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Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK An old and well documented specimen of native copper and associated secondarys from Wheal Cock.The size of specimen is 90mm x 60mm x 50mm. Collection of P Trebilcock. |
| Photo ID: 164208 View Count: 108 | |
Goethite : α-Fe3+O(OH), Quartz (Var: Amethyst) : SiO2 | |
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Wheal Cock, Botallack Mine, Botallack, Botallack - Pendeen Area, St Just District, Cornwall, England, UK Tufts of golden brown acicular crystals to about 1 mm, on very pale purple amethyst. Collected in 2000. Field width: 9 mm. P Haas photograph and collection (no. 52-160), ex G Moffatt collection. |
| © Peter Haas | Photo ID: 36254 View Count: 351 |
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