| Locality type: | Mine |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Associated Minerals Based on Photo Data: |
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| Blistered Copper | 3 |
| Bornite | 3 |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Carharrack Mine, Gwennap, Cornwall, England, UK |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 213580 |
| Long-form Identifier: | 1:3:213580:9 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 3.1km (1.9 miles) | ⓘTresavean Mine, Lanner, Lanner, Cornwall, England, UK |
| 3.4km (2.1 miles) | ⓘPednandrea Mine (Pedn-an-Drea Mine), Redruth, Cornwall, England, UK |
| 3.7km (2.3 miles) | ⓘWheal Sparnon, Redruth, Cornwall, England, UK |
| 4.9km (3.0 miles) | ⓘSouth Wheal Basset, Carnkie, Carn Brea, Cornwall, England, UK |
| 6.1km (3.8 miles) | ⓘCarn Brea Mine, Pool, Carn Brea, Cornwall, England, UK |
| 6.4km (4.0 miles) | ⓘNorth Pool Mine, Pool, Carn Brea, Cornwall, England, UK |
| 6.4km (4.0 miles) | ⓘEast Pool Mine, Pool, Carn Brea, Cornwall, England, UK |
| 7.3km (4.6 miles) | ⓘSouth Crofty Mine, Pool, Carn Brea, Cornwall, England, UK |
| 8.1km (5.1 miles) | ⓘNorth Roskear, Camborne, Cornwall, England, UK |
| 12.7km (7.9 miles) | ⓘPolcrebo Downs Mine, Nancegollan, Crowan, Cornwall, England, UK |
| References |
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Carharrack Mine, Gwennap, Cornwall, England, UK