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Sylvanite from
Cold Springs Group (Times Tunnel; Hoodoo; Horsefal; Haddock; Crown; King; Wolf Tongue; Red Cloud), Gold Hill Mining District, Boulder County, Colorado, USA


Locality type:Occurrence
Classification
Species:Sylvanite
Formula:AgAuTe4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sylvanite data
Locality Data:Click here to view Cold Springs Group (Times Tunnel; Hoodoo; Horsefal; Haddock; Crown; King; Wolf Tongue; Red Cloud), Gold Hill Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:491629
Long-form Identifier:1:3:491629:1
GUID (UUID V4):0
Nearest other occurrences of Sylvanite
0.0km (0.0 miles) ⓘSlide Mine, Gold Hill Mining District, Boulder County, Colorado, USA
0.4km (0.2 miles) ⓘCash Mine, Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA
0.8km (0.5 miles) ⓘBlack Cloud, Gold Hill Mining District, Boulder County, Colorado, USA
1.0km (0.6 miles) ⓘPrussian, Ward Mining District, Boulder County, Colorado, USA
1.5km (0.9 miles) ⓘRichmond Mine, Gold Hill Mining District, Boulder County, Colorado, USA
1.7km (1.1 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
1.7km (1.1 miles) ⓘMelvina, Gold Hill Mining District, Boulder County, Colorado, USA
2.6km (1.6 miles) ⓘInterocean Mine, Gold Hill Mining District, Boulder County, Colorado, USA
2.6km (1.6 miles) ⓘGrand View, Gold Hill Mining District, Boulder County, Colorado, USA
2.6km (1.6 miles) ⓘAmerican Mine, Sunshine, Gold Hill Mining District, Boulder County, Colorado, USA
References
Kelly, William C.; Goddard, Edwin N. (1969) Telluride Ores of Boulder County, Colorado. GSA Memoir 109. Geological Society of America doi:10.1130/mem109
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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