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Tetrahedrite Subgroup from
Free Coinage, Sunset, Boulder County, Colorado, USA


Locality type:Mine
Classification
Species:'Tetrahedrite Subgroup' (not an IMA approved species)
Formula:Cu6(Cu4C22+)Sb4S12S
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tetrahedrite Subgroup data
Locality Data:Click here to view Free Coinage, Sunset, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:492780
Long-form Identifier:1:3:492780:8
GUID (UUID V4):0
Nearest other occurrences of Tetrahedrite Subgroup
1.6km (1.0 miles) ⓘGolden Chest (Canton; Culebra Occurrence), Sugarloaf Mining District, Boulder County, Colorado, USA
6.3km (3.9 miles) ⓘCross Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
6.3km (3.9 miles) ⓘEureka Mine (Eureka Alta), Boulder County Tungsten Mining District, Boulder County, Colorado, USA
7.1km (4.4 miles) ⓘCorning Tunnel (Cold Spring; Alamakee; St. Joe; Blackhawk; Cash Occurrence), Gold Hill Mining District, Boulder County, Colorado, USA
7.1km (4.4 miles) ⓘSlide Mine, Gold Hill Mining District, Boulder County, Colorado, USA
7.6km (4.7 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
8.9km (5.5 miles) ⓘDorothy Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
9.0km (5.6 miles) ⓘKatie Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
10.6km (6.6 miles) ⓘPoorman group, Gold Hill Mining District, Boulder County, Colorado, USA
11.2km (6.9 miles) ⓘCaribou Mine (Caribou shaft), Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
References
Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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