| Locality type: | Cliff |
| Classification |
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| Species: | Anatase |
| Formula: | TiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Quartz | 5 |
| Albite | 4 |
| K Feldspar | 3 |
| - var Adularia | 3 |
| Brookite | 1 |
| Fluorapatite | 1 |
| Data |
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| Mineral Data: | Click here to view Anatase data |
| Locality Data: | Click here to view Twll Maen Grisial, Fron Olau, Prenteg, Dolbenmaen, Gwynedd, Wales, UK |
| Photo Gallery | View Gallery (16 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 18291 |
| Long-form Identifier: | 1:3:18291:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Anatase |
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| 2.2km (1.4 miles) | ⓘTremadoc, Porthmadog, Gwynedd, Wales, UK |
| 6.1km (3.8 miles) | ⓘMoel Hebog, Beddgelert, Gwynedd, Wales, UK |
| 10.1km (6.3 miles) | ⓘMoel Ysgyfarnogod, Talsarnau, Gwynedd, Wales, UK |
| 11.0km (6.9 miles) | ⓘTanygrisiau Railway Station, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK |
| 11.3km (7.0 miles) | ⓘCwmorthin Quarry, Tanygrisiau, Ffestiniog, Gwynedd, Wales, UK |
| 12.6km (7.8 miles) | ⓘGloddfa Ganol Quarry (Oakley), Ffestiniog, Gwynedd, Wales, UK |
| 13.2km (8.2 miles) | ⓘManod Quarry (Manod New Setts Quarry), Ffestiniog, Gwynedd, Wales, UK |
| 13.2km (8.2 miles) | ⓘLlechwedd slate quarry, Ffestiniog, Gwynedd, Wales, UK |
| 21.9km (13.6 miles) | ⓘTrwyn-y-tal, Llanaelhaearn, Gwynedd, Wales, UK |
| 25.0km (15.5 miles) | ⓘArenig Station Quarry, Llanycil, Gwynedd, Wales, UK |
| References |
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Twll Maen Grisial, Fron Olau, Prenteg, Dolbenmaen, Gwynedd, Wales, UK