| Locality type: | Mine |
| Classification |
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| Species: | Pyrite |
| Formula: | FeS2 |
| Comments: | Large poorly crystalline masses with marcasite to 20cms + from the dumps. Very unstable specimens should be treated to retard pyrite/marcasite rot. |
| Habit: | Cubic |
| Abundance at site: | Common |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Data |
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| Mineral Data: | Click here to view Pyrite data |
| Locality Data: | Click here to view Bryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 18445 |
| Long-form Identifier: | 1:3:18445:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Pyrite |
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| 1.4km (0.9 miles) | ⓘCamdwrbach Mine (Cambrian South Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
| 1.6km (1.0 miles) | ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
| 1.7km (1.1 miles) | ⓘHafan Mine (Canninog Mine; Bwlch Canninog Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
| 2.1km (1.3 miles) | ⓘBwlch Ystyllen Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK |
| 3.7km (2.3 miles) | ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
| 4.5km (2.8 miles) | ⓘLlawr-y-cwm-bach Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK |
| 4.9km (3.0 miles) | ⓘTy-newydd Mine, Bontgoch, Trefeirig, Ceredigion, Wales, UK |
| 5.4km (3.3 miles) | ⓘPlynlimon Mine, Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK |
| 5.9km (3.7 miles) | ⓘLletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK |
| 6.2km (3.9 miles) | ⓘCwmsymlog Mine (East Daren Mine; Gwaithddu Mine), Goginan, Trefeirig, Ceredigion, Wales, UK |
| References |
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