Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Sphalerite from
German and Belcher, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view German and Belcher, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:375063
Long-form Identifier:1:3:375063:6
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
1.9km (1.2 miles) ⓘGilpin Eureka Essex Group, Eureka Mining District, Gilpin County, Colorado, USA
2.8km (1.8 miles) ⓘTreasure Key Tunnel Williams Vein Occurrence, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
3.3km (2.1 miles) ⓘChemung - Belmont, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
3.7km (2.3 miles) ⓘVigilant; Banta Hill; Gold; Bunkhouse Occurrence, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
4.0km (2.5 miles) ⓘWidow Woman vein, Southern, Gilpin County, Colorado, USA
4.2km (2.6 miles) ⓘCherokee Mine, Eureka Mining District, Gilpin County, Colorado, USA
4.3km (2.6 miles) ⓘTwo Brothers Tunnel, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
4.3km (2.7 miles) ⓘWood Mine (E. Calhoun), Willis Gulch, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
4.3km (2.7 miles) ⓘSleepy Hollow Mine, Eureka Mining District, Gilpin County, Colorado, USA
4.4km (2.7 miles) ⓘHidee Mine, Central City Mining District (Central Mining District), Gilpin 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
Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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