| Locality type: | Mine |
| Classification |
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| Species: | Quartz |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Quartz data |
| Locality Data: | Click here to view Castell Mine (Dyffryn Castell Mine; New Castell Mine; West Esgair Lle Mine; Gwaithddu Mine; Cripiau Bach Mine), Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 210339 |
| Long-form Identifier: | 1:3:210339:6 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Quartz |
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| 1.8km (1.1 miles) | ⓘNantycreiau Mine, Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK |
| 2.2km (1.4 miles) | ⓘEsgair Lead Mine, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| 3.3km (2.1 miles) | ⓘTemple Mine, Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK |
| 3.7km (2.3 miles) | ⓘMynach Vale Mine (Ty Gwyn Mine; De Broke Mine), Devil's Bridge, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| 4.2km (2.6 miles) | ⓘLlywernog Mine (Ponterwyd Mine), Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK |
| 4.3km (2.6 miles) | ⓘBwlchgwyn Mine (Nanteos Mine), Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK |
| 4.6km (2.8 miles) | ⓘBodcoll Mine (Gertrude Mine; South Wales Mine), Devil's Bridge, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| 4.8km (3.0 miles) | ⓘYstumtuen Mine, Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK |
| 4.9km (3.0 miles) | ⓘPlynlimon Mine, Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK |
| 5.3km (3.3 miles) | ⓘCwmrheidol Mine, Ystumtuen, Cwmrheidol, Ceredigion, Wales, UK |
| References |
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