| Locality type: | Vein |
| Classification |
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| Species: | Chalcopyrite |
| Formula: | CuFeS2 |
| Confirmation |
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| Validity: | Believed Valid |
| Data |
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| Mineral Data: | Click here to view Chalcopyrite data |
| Locality Data: | Click here to view Mountain Lion Mine - Keystone vein, Magnolia Mining District, Boulder County, Colorado, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 489176 |
| Long-form Identifier: | 1:3:489176:5 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Chalcopyrite |
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| 5.1km (3.2 miles) | ⓘEvening Star, Gold Hill Mining District, Boulder County, Colorado, USA |
| 6.8km (4.2 miles) | ⓘLittle Johnny Mine (Emancipation group; Home Sweet Home occurrence), Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA |
| 6.9km (4.3 miles) | ⓘIngram mine (Valley Forge Occurrence; Critic and Railroad Boy; Sunshine; Three Brothers; Atchison; Belle; Golden Eagle; Melvina; Baron; Richmond), Gold Hill Mining District, Boulder County, Colorado, USA |
| 8.3km (5.1 miles) | ⓘCopper King Mine (Yeager's Mine), Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA |
| 8.5km (5.3 miles) | ⓘCorning Tunnel (Cold Spring; Alamakee; St. Joe; Blackhawk; Cash Occurrence), Gold Hill Mining District, Boulder County, Colorado, USA |
| 8.5km (5.3 miles) | ⓘCold Springs Group (Times Tunnel; Hoodoo; Horsefal; Haddock; Crown; King; Wolf Tongue; Red Cloud), Gold Hill Mining District, Boulder County, Colorado, USA |
| 8.5km (5.3 miles) | ⓘSlide Mine, Gold Hill Mining District, Boulder County, Colorado, USA |
| 8.9km (5.5 miles) | ⓘCross Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA |
| 10.1km (6.3 miles) | ⓘDolly Varden Mine, Sunset, Boulder County, Colorado, USA |
| 10.1km (6.3 miles) | ⓘCopper Glance, Sunset, Boulder County, Colorado, USA |
| References |
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