| Locality type: | Cliff |
| Classification |
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| Species: | Brookite |
| Formula: | TiO2 |
| Confirmation |
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| Validity: | Valid - Type Locality |
| Associated Minerals: |
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| Associates: | Anatase
Quartz
Rutile
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| Associated Minerals Based on Photo Data: |
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| Quartz | 11 |
| Albite | 9 |
| Anatase | 1 |
| Data |
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| Mineral Data: | Click here to view Brookite data |
| Locality Data: | Click here to view Twll Maen Grisial, Fron Olau, Prenteg, Dolbenmaen, Gwynedd, Wales, UK |
| Photo Gallery | View Gallery (14 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 96508 |
| Long-form Identifier: | 1:3:96508:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Brookite |
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| 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 |
| 13.2km (8.2 miles) | ⓘManod Quarry (Manod New Setts Quarry), Ffestiniog, Gwynedd, Wales, UK |
| 20.4km (12.7 miles) | ⓘGimlet Quarry, Pwllheli, Gwynedd, Wales, UK |
| 25.0km (15.5 miles) | ⓘArenig Station Quarry, Llanycil, Gwynedd, Wales, UK |
| 61.2km (38.1 miles) | ⓘHendre Quarry, Ceiriog Ucha, Wrexham, Wales, UK |
| References |
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Twll Maen Grisial, Fron Olau, Prenteg, Dolbenmaen, Gwynedd, Wales, UK