| Locality type: | Mine |
| Classification |
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| Species: | Chalcopyrite |
| Formula: | CuFeS2 |
| Habit: | Massive |
| Colour: | Yellow metallic brassy |
| Luminescent properties: | None |
| Quality for species: | Rock forming mineral/non-crystalline/little interest for collectors.(##) |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Chalcopyrite data |
| Locality Data: | Click here to view Llechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 3204 |
| Long-form Identifier: | 1:3:3204:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcopyrite |
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| 1.0km (0.6 miles) | ⓘLletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK |
| 1.1km (0.7 miles) | ⓘGwaith Yr Afon mine (West Cwmsymlog Mine; Cwm Daren Mine; River Mine; Taliesan Mine), Goginan, Trefeirig, Ceredigion, Wales, UK |
| 1.5km (0.9 miles) | ⓘLlechwedd Ddu Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK |
| 1.6km (1.0 miles) | ⓘCwmdaren Mine (Cwm Darren Mine; Lefel Gopor Mine; Copper Level Mine; Twll y Mwyn Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK |
| 1.8km (1.1 miles) | ⓘCwm Sebon Mine (South Daren Mine; Thomas United Mines; Thomas's United Mines), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK |
| 1.9km (1.2 miles) | ⓘCwmsymlog Mine (East Daren Mine; Gwaithddu Mine), Goginan, Trefeirig, Ceredigion, Wales, UK |
| 1.9km (1.2 miles) | ⓘDaren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK |
| 2.0km (1.2 miles) | ⓘMynydd Gorddu Mine, Bontgoch (Elerch), Ceulanymaesmawr, Ceredigion, Wales, UK |
| 2.2km (1.3 miles) | ⓘCefn-gwyn Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK |
| 2.3km (1.5 miles) | ⓘCwmerfin Mine, Cwmerfyn, Trefeirig, Ceredigion, Wales, UK |
| References |
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