| Locality type: | Mine |
| Classification |
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| Species: | Mattheddleite |
| Formula: | Pb5(SiO4)1.5(SO4)1.5(Cl,OH) |
| Comments: | Colourless xls to 0.2mm (XRD), forming small masses to 3mm. |
| Habit: | Prismatic |
| Colour: | Colourless |
| Quality for species: | Good crystals or rich for species - important (!) |
| Abundance at site: | Very Rare |
| Confirmation |
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|
| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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|
| Caledonite | ⓘ2 photos of Mattheddleite associated with Caledonite at this locality. |
| Susannite | ⓘ2 photos of Mattheddleite associated with Susannite at this locality. |
| Data |
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| Mineral Data: | Click here to view Mattheddleite data |
| Locality Data: | Click here to view Daren Mine (Old Daren Mine; Darren Consolidated Mine; Daren United Mine; Great Darren Mine; Darren Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 7499 |
| Long-form Identifier: | 1:3:7499:5 |
| GUID (UUID V4): | 76786f03-2e82-48f9-af4f-9c4e4f3d7a42 |
| Nearest other occurrences of Mattheddleite |
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| 1.9km (1.2 miles) | ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK |
| 5.7km (3.5 miles) | ⓘBwlch Glas Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
| 8.5km (5.3 miles) | ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
| 9.7km (6.0 miles) | ⓘFrongoch Mine (Bron-y-Goch Mine; Llawynwnwch Mine), Pontrhydygroes, Upper Llanfihangell-y-Creuddyn, Ceredigion, Wales, UK |
| 9.9km (6.2 miles) | ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
| 14.0km (8.7 miles) | ⓘHendre Felen Mine (Hendre quarry), Ysbyty Ystwyth, Ceredigion, Wales, UK |
| 15.8km (9.8 miles) | ⓘEsgair Mwyn Mine, Ysbyty Ystwyth, Ceredigion, Wales, UK |
| References |
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Daren Mine, Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK