| Locality type: | Formation |
| Classification |
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| Species: | 'Chlorite Group' (not an IMA approved species) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chlorite Group data |
| Locality Data: | Click here to view Nant Ffrancon Formation, Llandygai, Gwynedd, Wales, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 82564 |
| Long-form Identifier: | 1:3:82564:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chlorite Group |
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| 12.1km (7.5 miles) | ⓘTal y Fan, Caerhun, Conwy, Wales, UK |
| 19.8km (12.3 miles) | ⓘDrws-y-Coed Mine (Drwy-y-Coed Mine), Nantlle Vale, Llanllyfni, Gwynedd, Wales, UK |
| 24.6km (15.3 miles) | ⓘParys Mountain Mines, Amlwch, Isle of Anglesey, Wales, UK |
| 26.8km (16.7 miles) | ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK |
| 28.3km (17.6 miles) | ⓘCwt y Bugail Quarry, Bro Machno, Conwy, Wales, UK |
| 29.1km (18.1 miles) | ⓘManod Quarry (Manod New Setts Quarry), Ffestiniog, Gwynedd, Wales, UK |
| 36.3km (22.6 miles) | ⓘPrince Edward Mine (Moel Croesau), Trawsfynydd, Gwynedd, Wales, UK |
| 48.0km (29.8 miles) | ⓘCastell Carn Dochan, Llanuwchllyn, Gwynedd, Wales, UK |
| 52.6km (32.7 miles) | ⓘClogau St Davids Mine (Clogau Mine; St David's Mine), Llanelltyd, Gwynedd, Wales, UK |
| 53.1km (33.0 miles) | ⓘTrial level, Vigra Mine, Llanelltyd, Gwynedd, Wales, UK |
| References |
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