Vote for your favorite mineral in #MinCup26! - Bournonite vs. Vesuvianite
Cogwheels of bournonite are up against colourful vesuvianite.
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Sylvanite from
Logan & Sunbeam Occurrence, 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 Logan & Sunbeam Occurrence, Gold Hill Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:492614
Long-form Identifier:1:3:492614:6
GUID (UUID V4):0
Nearest other occurrences of Sylvanite
0.0km (0.0 miles) ⓘGrand Republic Occurrence, Gold Hill Mining District, Boulder County, Colorado, USA
1.0km (0.6 miles) ⓘLast Chance (Gray Copper Emerson; Concord; Forest; Franklin Occurrence), Gold Hill Mining District, Boulder County, 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 County, Colorado, USA
1.6km (1.0 miles) ⓘMelvina, Gold Hill Mining District, Boulder County, Colorado, USA
2.4km (1.5 miles) ⓘAlpine Horn, Sugarloaf Mining District, Boulder County, Colorado, USA
2.6km (1.6 miles) ⓘRichmond Mine, Gold Hill Mining District, Boulder County, Colorado, USA
2.9km (1.8 miles) ⓘBlack Cloud, Gold Hill Mining District, Boulder County, Colorado, USA
3.0km (1.8 miles) ⓘCash Mine, Gold Hill, Gold Hill Mining District, Boulder County, Colorado, USA
3.1km (1.9 miles) ⓘWashburn Mine, Sunshine, Gold Hill Mining District, Boulder County, 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 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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