| 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 Trecastell Mine (Llangelynin Mine), Henryd, Conwy, Wales, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 18710 |
| Long-form Identifier: | 1:3:18710:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Quartz |
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| 3.6km (2.2 miles) | ⓘTal y Fan, Caerhun, Conwy, Wales, UK |
| 4.6km (2.9 miles) | ⓘCraiglwyd Quarry, Penmaenmawr, Conwy, Wales, UK |
| 5.5km (3.4 miles) | ⓘBwlch Mine, Conwy, Conwy, Wales, UK |
| 8.9km (5.5 miles) | ⓘGreat Orme, Llandudno, Conwy, Wales, UK |
| 14.3km (8.9 miles) | ⓘPandora Mine, Trefriw, Conwy, Wales, UK |
| 15.2km (9.5 miles) | ⓘNant Ffrancon Formation, Llandygai, Gwynedd, Wales, UK |
| 16.9km (10.5 miles) | ⓘAberllyn Mine, Betws-y-coed, Conwy, Wales, UK |
| 17.1km (10.6 miles) | ⓘPenrhyn Slate Quarry, Llandygai, Gwynedd, Wales, UK |
| 21.7km (13.5 miles) | ⓘDinorwic Quarry, Llanddeiniolen, Gwynedd, Wales, UK |
| 24.9km (15.5 miles) | ⓘLliwedd Mine, Beddgelert, Gwynedd, Wales, UK |
| References |
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