| Locality type: | Mine |
| Classification |
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| Species: | Goethite |
| Formula: | Fe3+O(OH) |
| Habit: | Thin crusts |
| Quality for species: | Poor for species, only of interest for locality collectors. (#) |
| Abundance at site: | Common |
| Confirmation |
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|
| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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|
| Quartz | 5 |
| Millerite | 4 |
| Chalcopyrite | 3 |
| Sphalerite | 1 |
| Rutile | 1 |
| Pyromorphite | 1 |
| Apatite | 1 |
| Albite | 1 |
| Data |
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| Mineral Data: | Click here to view Goethite data |
| Locality Data: | Click here to view Bryn-yr-Afr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 40045 |
| Long-form Identifier: | 1:3:40045:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Goethite |
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|
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| 0.9km (0.5 miles) | ⓘCamdwrmawr Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK |
| 0.9km (0.6 miles) | ⓘHenfwlch Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
| 1.6km (1.0 miles) | ⓘEaglebrook Mine, Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
| 1.8km (1.1 miles) | ⓘDrosgol Mine, Ponterwyd, Trefeirig, Ceredigion, Wales, UK |
| 3.7km (2.3 miles) | ⓘEsgair Hir & Esgair Fraith mines (Cambrian Mine; Cardigan Consolidated Mine; Welsh Potosi Mine; Kylon Potosi Mine), Tal-y-bont, Ceulanymaesmawr, Ceredigion, Wales, UK |
| 5.9km (3.7 miles) | ⓘLletty Evanhen Mine (Vaughan Mine), Bontgoch, Trefeirig, Ceredigion, Wales, UK |
| 6.6km (4.1 miles) | ⓘBwlchrhennaid Mine (Level Newydd Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK |
| 6.8km (4.2 miles) | ⓘLlechwedd Helyg Mine (Willow Bank Mine), Pen-bont Rhydybeddau, Trefeirig, Ceredigion, Wales, UK |
| 7.1km (4.4 miles) | ⓘGwaith Yr Afon mine (West Cwmsymlog Mine; Cwm Daren Mine; River Mine; Taliesan Mine), Goginan, Trefeirig, Ceredigion, Wales, UK |
| 7.1km (4.4 miles) | ⓘYstrad Einion Mine (Dolgoch Mine), Furnace, Ysgubor-y-coed, Ceredigion, Wales, UK |
| References |
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