| Locality type: | Mine |
| Classification |
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| Species: | Pyromorphite |
| Formula: | Pb5(PO4)3Cl |
| Comments: | Brown crystals to 2.5cms (XRD) with cerussite. Rare green microcrystals. |
| Habit: | Prismatic, and blocky |
| Colour: | Colourless-white, shades of light brown, yellow, slightly purple, rarely green |
| Quality for species: | Good crystals or rich for species - important (!) |
| Abundance at site: | Rare |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | XRD |
| Confirmation Details: | Where Tested and Reference ID: NHM London |
| Associated Minerals Based on Photo Data: |
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| Quartz | 2 |
| Hemimorphite | 1 |
| Data |
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| Mineral Data: | Click here to view Pyromorphite data |
| Locality Data: | Click here to view Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| Photo Gallery | View Gallery (14 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 18311 |
| Long-form Identifier: | 1:3:18311:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Pyromorphite |
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| 3.3km (2.1 miles) | ⓘLogaulas Mine (Lisburne Mine; Logylas Mine), Lisburne Lead and Silver Mines, Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 4.4km (2.7 miles) | ⓘEast Glogfach mine, Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 4.5km (2.8 miles) | ⓘBodcoll Mine (Gertrude Mine; South Wales Mine), Devil's Bridge, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| 4.6km (2.9 miles) | ⓘGlogfawr Mine, Lisburne Lead and Silver Mines, Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 4.7km (2.9 miles) | ⓘHendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 4.9km (3.1 miles) | ⓘEast Glogfawr mine, Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 6.6km (4.1 miles) | ⓘLlywernog Mine (Ponterwyd Mine), Ponterwyd, Cwmrheidol, Ceredigion, Wales, UK |
| 8.1km (5.0 miles) | ⓘPengarigddu Mine, Goginan, Melindwr, Ceredigion, Wales, UK |
| 8.2km (5.1 miles) | ⓘCwmystwyth Mine, Cwmystwyth, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| 8.4km (5.2 miles) | ⓘFlorida Mine (Abbey Consols Mine; Bronberllan Mine), Pontrhydfendigaid, Ceredigion, Wales, UK |
| References |
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Frongoch Mine, Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK