| Locality type: | Mine |
| Classification |
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| Species: | Quartz var: Chalcedony |
| Formula: | SiO2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcedony data |
| Locality Data: | Click here to view Caribou Mine (Caribou shaft), Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 791535 |
| Long-form Identifier: | 1:3:791535:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcedony |
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| 5.2km (3.2 miles) | ⓘBettig mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA |
| 5.3km (3.3 miles) | ⓘConger Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA |
| 7.1km (4.4 miles) | ⓘClyde Mine (Lily Mine; Gale Mine; Hoosier; Western Star), Boulder County, Colorado, USA |
| 7.5km (4.7 miles) | ⓘBlack Hawk No. 1 vein, Boulder County Tungsten Mining District, Boulder County, Colorado, USA |
| 8.5km (5.3 miles) | ⓘCold Spring Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA |
| 12.4km (7.7 miles) | ⓘPeewink Mountain tunnel, Boulder County Tungsten Mining District, Boulder County, Colorado, USA |
| 17.9km (11.1 miles) | ⓘLogan & Sunbeam Occurrence, Gold Hill Mining District, Boulder County, Colorado, USA |
| 22.0km (13.7 miles) | ⓘBlue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA |
| 24.3km (15.1 miles) | ⓘDiamond Joe tunnel, Idaho Springs, Lawson Mining District, Clear Creek County, Colorado, USA |
| 24.8km (15.4 miles) | ⓘGerman and Belcher, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA |
| References |
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