| Locality type: | Occurrence |
| Classification |
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| Species: | Sylvanite |
| Formula: | (Au,Ag)2Te4 |
| Confirmation |
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|
| Validity: | Believed Valid |
| References |
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| References: | Minerals of Colorado (1997) E.B. Eckel |
| Data |
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| Mineral Data: | Click here to view Sylvanite data |
| Locality Data: | Click here to view Logan & Sunbeam Occurrence, Gold Hill Mining District, Boulder Co., Colorado, USA |
| Nearest other occurrences of Sylvanite |
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| 0.0km (0.0 miles) | | ⓘGrand Republic Occurrence, Gold Hill Mining District, Boulder Co., Colorado, USA |
| 1.0km (0.6 miles) | | ⓘLast Chance (Gray Copper Emerson; Concord; Forest; Franklin Occurrence), Gold Hill Mining District, Boulder Co., Colorado, USA |
| 1.6km (1.0 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 Co., Colorado, USA |
| 1.6km (1.0 miles) | | ⓘMelvina, Gold Hill Mining District, Boulder Co., Colorado, USA |
| 2.4km (1.5 miles) | | ⓘAlpine Horn, Sugarloaf Mining District, Boulder Co., Colorado, USA |
| 2.6km (1.6 miles) | | ⓘRichmond Mine, Gold Hill Mining District, Boulder Co., Colorado, USA |
| 2.9km (1.8 miles) | | ⓘBlack Cloud, Gold Hill Mining District, Boulder Co., Colorado, USA |
| 3.1km (2.0 miles) | | ⓘCold Springs Group (Times Tunnel; Hoodoo; Horsefal; Haddock; Crown; King; Wolf Tongue; Red Cloud), Gold Hill Mining District, Boulder Co., Colorado, USA |
| 3.1km (2.0 miles) | | ⓘSlide Mine, Gold Hill Mining District, Boulder Co., Colorado, USA |
| 3.2km (2.0 miles) | | ⓘPoorman group, Gold Hill Mining District, Boulder Co., Colorado, USA |
