| Locality type: | Quarry |
| Classification |
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| Species: | Chrysocolla |
| Formula: | Cu2-xAlx(H2-xSi2O5)(OH)4 · nH2O, x < 1 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Serpentine Subgroup | 9 |
| Native Copper | 9 |
| Cuprite | 5 |
| Native Silver | 4 |
| Data |
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| Mineral Data: | Click here to view Chrysocolla data |
| Locality Data: | Click here to view Williams Stone Quarry (Trevassack Quarry), Goonhilly Downs, Mawgan-in-Meneage, Cornwall, England, UK |
| Photo Gallery | View Gallery (2 photos) |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 3664 |
| Long-form Identifier: | 1:3:3664:1 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chrysocolla |
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| 2.4km (1.5 miles) | ⓘSouth Wheal Treasure (South Wheal Treasury), Grade-Ruan, Cornwall, England, UK |
| 5.4km (3.4 miles) | ⓘPolurian Cove, Mullion, Cornwall, England, UK |
| 6.1km (3.8 miles) | ⓘWheal Unity (Trenance Mine; Ghostcroft Mine), Mullion, Cornwall, England, UK |
| 9.0km (5.6 miles) | ⓘWheal Trannack, Trannack, Wendron, Cornwall, England, UK |
| 9.2km (5.7 miles) | ⓘHolestrow quarry, Landewednack, Cornwall, England, UK |
| 17.8km (11.1 miles) | ⓘPenstruthal Mine (Bestruthal Mine; incl. North & South Penstruthal Mines), Lanner, Cornwall, England, UK |
| 18.0km (11.2 miles) | ⓘWheal Basset, Basset Mines, Carnkie, Carn Brea, Cornwall, England, UK |
| 18.2km (11.3 miles) | ⓘWheal Carpenter, Fraddam, Gwinear-Gwithian, Cornwall, England, UK |
| 18.3km (11.4 miles) | ⓘCopper Hill Mine, Redruth, Cornwall, England, UK |
| 18.7km (11.6 miles) | ⓘWheal Moyle, Gwennap, Cornwall, England, UK |
| References |
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Williams Stone Quarry, Goonhilly Downs, Mawgan-in-Meneage, Cornwall, England, UK