| Locality type: | Mine |
| Classification |
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| Species: | Coffinite |
| Formula: | U(SiO4) · nH2O |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Coffinite data |
| Locality Data: | Click here to view Leyden Mine, Leyden, Foothill Mining District, Jefferson County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 433257 |
| Long-form Identifier: | 1:3:433257:2 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Coffinite |
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| 4.0km (2.5 miles) | ⓘOld Leyden Mine, Foothill Mining District, Jefferson County, Colorado, USA |
| 8.3km (5.2 miles) | ⓘSchwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA |
| 10.4km (6.5 miles) | ⓘAubrey - Ladwig Mine (Aubrey Ladwig Lease; Gary Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA |
| 11.6km (7.2 miles) | ⓘLadwig Group (Ladwig No. 2; Ladwig No. 3; Claims: Ladwig No. 1), Ralston Buttes Mining District, Jefferson County, Colorado, USA |
| 21.3km (13.2 miles) | ⓘIdledale Mining District, Jefferson County, Colorado, USA |
| 21.3km (13.2 miles) | ⓘWright lease (Foothills Mine), Idledale Mining District, Jefferson County, Colorado, USA |
| 30.4km (18.9 miles) | ⓘFairday Mine, Central Mining District, Boulder County, Colorado, USA |
| 32.9km (20.4 miles) | ⓘStanley Mine (Gehrmann; Cooper; York; Whale; Golden Link), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA |
| 33.7km (20.9 miles) | ⓘBlue Jay Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA |
| 40.0km (24.8 miles) | ⓘFair Day Mine, Jamestown Mining District, Boulder County, Colorado, USA |
| References |
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