| 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 Knill Quarry, St Ives, Cornwall, England, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 689773 |
| Long-form Identifier: | 1:3:689773:4 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Orthoclase |
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| 2.2km (1.4 miles) | ⓘCarrack Dews Mine (Carrick Du Mine), St Ives, Cornwall, England, UK |
| 2.5km (1.6 miles) | ⓘTrencrom Hill, Trencrom, Ludgvan, Cornwall, England, UK |
| 5.0km (3.1 miles) | ⓘCastle-an-Dinas Quarry, Higher Trenowin, Ludgvan, Cornwall, England, UK |
| 7.3km (4.5 miles) | ⓘMulfra hill, Mulfra, Madron, Cornwall, England, UK |
| 7.4km (4.6 miles) | ⓘPenberthy Croft Mine, St Hilary, Cornwall, England, UK |
| 9.6km (5.9 miles) | ⓘCroft Gothal Mine, St Hilary, Cornwall, England, UK |
| 10.4km (6.5 miles) | ⓘWherry Mine, Wherrytown, Penzance, Cornwall, England, UK |
| 12.5km (7.7 miles) | ⓘGarth Mine (Wheal Darby; East Wheal Cock; Gath Mine; Wheal Mary), Sancreed, Cornwall, England, UK |
| 13.8km (8.6 miles) | ⓘWheal Vor (Great Wheal Vor), Carleen, Breage, Cornwall, England, UK |
| 14.5km (9.0 miles) | ⓘDolcoath Mine, Camborne, Cornwall, England, UK |
| References |
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