| 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 Grogwinion Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 18361 |
| Long-form Identifier: | 1:3:18361:3 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Quartz |
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| 1.9km (1.2 miles) | ⓘWemyss Mine, Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| 2.0km (1.2 miles) | ⓘRed Rock Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| 2.1km (1.3 miles) | ⓘFrongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| 2.7km (1.7 miles) | ⓘLogaulas Mine (Lisburne Mine; Logylas Mine), Lisburne Lead and Silver Mines, Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 2.8km (1.7 miles) | ⓘHendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 3.2km (2.0 miles) | ⓘPen Lan-fach Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 3.6km (2.2 miles) | ⓘLlwynmalus Mine (West Lisburn Mine), Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 3.8km (2.4 miles) | ⓘGlogfawr Mine, Lisburne Lead and Silver Mines, Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 4.9km (3.0 miles) | ⓘLlwyn Llwyd Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 5.2km (3.2 miles) | ⓘEsgair Mwyn Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK |
| References |
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