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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Chert from
Smuggler; Bonanza, Independence Mining District (Perigo Mining District), Gilpin County, Colorado, USA


Locality type:Mine
Classification
Type:Chert
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chert data
Locality Data:Click here to view Smuggler; Bonanza, Independence Mining District (Perigo Mining District), Gilpin County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:662304
Long-form Identifier:1:3:662304:3
GUID (UUID V4):0
Nearest other occurrences of Chert
13.6km (8.4 miles) ⓘPittsburgh (Notaway East; Notaway Shaft; Notaway West), Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
17.7km (11.0 miles) ⓘTom Boy (Treasure Vault; John Paul Jones; Edna Fannie; Golden Treasure), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
26.7km (16.6 miles) ⓘDemocrat Mountain, Georgetown District, Clear Creek 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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