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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Quartz from
Sleepy Hollow Mine, Eureka Mining District, Gilpin County, Colorado, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Sleepy Hollow Mine, Eureka Mining District, Gilpin County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:662082
Long-form Identifier:1:3:662082:0
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.2km (0.1 miles) ⓘSilver Dollar Mine, Eureka Mining District, Gilpin County, Colorado, USA
0.2km (0.2 miles) ⓘBobtail Mine, Black Hawk, Black Hawk Mining District, Gilpin County, Colorado, USA
0.4km (0.2 miles) ⓘCentral City; Cherokee; Carroll; Woodmire; Rara Avis, Eureka Mining District, Gilpin County, Colorado, USA
0.7km (0.5 miles) ⓘPocahontas (Rotechield; Gold Rock; Springdale; Denbeigh vein), Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
1.6km (1.0 miles) ⓘBonanza, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
1.7km (1.0 miles) ⓘPittsburgh (Notaway East; Notaway Shaft; Notaway West), Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
1.8km (1.1 miles) ⓘTwo Sisters occurrence, Eureka Mining District, Gilpin County, Colorado, USA
1.8km (1.1 miles) ⓘChemung - Belmont, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
1.9km (1.2 miles) ⓘSmith Mine, Black Hawk Mining District, Gilpin County, Colorado, USA
1.9km (1.2 miles) ⓘWood Mine (E. Calhoun), Willis Gulch, Quartz Hill, 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
 
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