Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Sylvanite from
Black Cloud, Gold Hill Mining District, Boulder County, Colorado, USA


Locality type:Mine
Classification
Species:Sylvanite
Formula:AgAuTe4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sylvanite data
Locality Data:Click here to view Black Cloud, Gold Hill Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:438152
Long-form Identifier:1:3:438152:5
GUID (UUID V4):0
Nearest other occurrences of Sylvanite
0.8km (0.5 miles) ⓘCold Springs Group (Times Tunnel; Hoodoo; Horsefal; Haddock; Crown; King; Wolf Tongue; Red Cloud), Gold Hill Mining District, Boulder County, Colorado, USA
0.8km (0.5 miles) ⓘSlide Mine, Gold Hill Mining District, Boulder County, Colorado, USA
0.8km (0.5 miles) ⓘRichmond Mine, Gold Hill Mining District, Boulder County, Colorado, USA
1.0km (0.6 miles) ⓘCash Mine, Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA
1.3km (0.8 miles) ⓘMelvina, Gold Hill Mining District, Boulder County, Colorado, USA
1.3km (0.8 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
1.3km (0.8 miles) ⓘPrussian, Ward Mining District, Boulder County, Colorado, USA
1.8km (1.1 miles) ⓘInterocean Mine, Gold Hill Mining District, Boulder County, Colorado, USA
1.8km (1.1 miles) ⓘGrand View, Gold Hill Mining District, Boulder County, Colorado, USA
1.9km (1.2 miles) ⓘAmerican Mine, Sunshine, Gold Hill Mining District, Boulder County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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