| Locality type: | Quarry |
| Classification |
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| Species: | Orthoclase |
| Formula: | K(AlSi3O8) |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Orthoclase data |
| Locality Data: | Click here to view Brill No. 1 Quarry, Constantine, Cornwall, England, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 8318 |
| Long-form Identifier: | 1:3:8318:8 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Orthoclase |
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| 4.4km (2.7 miles) | ⓘHigher Spargo quarry, Mabe, Cornwall, England, UK |
| 4.7km (2.9 miles) | ⓘHalvosso Quarry (Halvasso Quarry; Kessel Downs Quarry), Mabe, Cornwall, England, UK |
| 5.9km (3.7 miles) | ⓘChywoon Quarry, Mabe, Cornwall, England, UK |
| 9.2km (5.7 miles) | ⓘGreat Wheal Fortune, Breage, Cornwall, England, UK |
| 9.4km (5.8 miles) | ⓘWheal Vor (Great Wheal Vor), Carleen, Breage, Cornwall, England, UK |
| 11.4km (7.1 miles) | ⓘTing Tang Mine, Carharrack, Cornwall, England, UK |
| 11.5km (7.1 miles) | ⓘMegiliggar Rocks (Tremearne pegmatite), Breage, Cornwall, England, UK |
| 12.3km (7.7 miles) | ⓘDolcoath Mine, Camborne, Cornwall, England, UK |
| 12.5km (7.8 miles) | ⓘDean Quarry, St Keverne, Cornwall, England, UK |
| 12.6km (7.8 miles) | ⓘTrewavas Head, Rinsey, Breage, Cornwall, England, UK |
| References |
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