| Locality type: | Quarry |
| Classification |
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| Species: | 'Tourmaline' (not an IMA approved species) |
| Formula: | AD3G6(T6O18)(BO3)3X3Z |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Tourmaline data |
| Locality Data: | Click here to view Trolvis Quarry, Longdowns, Stithians, Cornwall, England, UK |
| Photo Gallery | View Gallery (3 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 213836 |
| Long-form Identifier: | 1:3:213836:7 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Tourmaline |
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| 0.9km (0.5 miles) | ⓘHalvosso Quarry (Halvasso Quarry; Kessel Downs Quarry), Mabe, Cornwall, England, UK |
| 1.9km (1.2 miles) | ⓘHigher Spargo quarry, Mabe, Cornwall, England, UK |
| 4.5km (2.8 miles) | ⓘBalcoath, Porkellis, Wendron, Cornwall, England, UK |
| 4.7km (2.9 miles) | ⓘBoswin Mine, Porkellis, Wendron, Cornwall, England, UK |
| 4.7km (2.9 miles) | ⓘGarlidna Mine, Garlidna United Mines, Porkellis, Wendron, Cornwall, England, UK |
| 5.1km (3.2 miles) | ⓘTrethellan Mine, Tresavean Mine, Lanner, Lanner, Cornwall, England, UK |
| 5.2km (3.2 miles) | ⓘWheal Enys (Wheal Vernon), Porkellis, Wendron, Cornwall, England, UK |
| 5.2km (3.2 miles) | ⓘBassett & Grylls Mine (Porkellis Mine; Porkellis Tin Mines; Wheal Jantar; Balwath Mine), Porkellis, Wendron, Cornwall, England, UK |
| 5.3km (3.3 miles) | ⓘTreviskey Mine, East Tresavean Mine (Treviskey United Mines), Tresavean Mine, Lanner, Lanner, Cornwall, England, UK |
| 5.6km (3.5 miles) | ⓘWheal Comford (Wheal Comfort; Bell Veor Mine), West Tresavean Mine (Bell and Lanner Mine), Tresavean Mine, Lanner, Lanner, Cornwall, England, UK |
| References |
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Trolvis Quarry, Longdowns, Stithians, Cornwall, England, UK