| Locality type: | Colliery |
| Classification |
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| Species: | Marcasite |
| Formula: | FeS2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Marcasite data |
| Locality Data: | Click here to view Wyllie Colliery, Wyllie, Caerphilly, Wales, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 75189 |
| Long-form Identifier: | 1:3:75189:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Marcasite |
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| 16.7km (10.4 miles) | ⓘBig Pit (Colliery), Blaenavon, Torfaen, Wales, UK |
| 17.6km (11.0 miles) | ⓘCoed-Ely Colliery, Coed Ely, Rhondda Cynon Taf, Wales, UK |
| 21.3km (13.2 miles) | ⓘVaynor Quarry, Trefechan, Merthyr Tydfil, Wales, UK |
| 22.1km (13.8 miles) | ⓘLlanilid West Opencast Coalmine, Llanharan, Rhondda Cynon Taf, Wales, UK |
| 23.4km (14.6 miles) | ⓘParc Colliery (Park), Cwmparc, Rhondda Cynon Taf, Wales, UK |
| 27.3km (16.9 miles) | ⓘLlest Colliery (Lluest Colliery), Pontyrhyl (Pont-y-rhyl), Bridgend, Wales, UK |
| 31.0km (19.3 miles) | ⓘClevedon Beach, Clevedon, North Somerset, England, UK |
| 32.9km (20.4 miles) | ⓘPark Slip West (Margam Opencast), Cefn Cribwr, Bridgend, Wales, UK |
| 35.7km (22.2 miles) | ⓘGlyn Gwilym Isaf Opencast, Clyne and Melincourt, Neath Port Talbot, Wales, UK |
| 41.9km (26.0 miles) | ⓘTalachddu Mine, Talachddu, Felin-fach (Felinfach), Powys, Wales, UK |
| References |
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