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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Chalcopyrite from
Longfellow, Jamestown Mining District, Boulder County, Colorado, USA


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Longfellow, Jamestown Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:662746
Long-form Identifier:1:3:662746:1
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
1.5km (1.0 miles) ⓘGold Cross Mine, Jamestown Mining District, Boulder County, Colorado, USA
1.6km (1.0 miles) ⓘGolden Age, Jamestown Mining District, Boulder County, Colorado, USA
2.9km (1.8 miles) ⓘBurlington Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
3.0km (1.8 miles) ⓘBuckhorn Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
3.0km (1.8 miles) ⓘArgo Mine, Jamestown Mining District, Boulder County, Colorado, USA
3.0km (1.9 miles) ⓘJamestown, Jamestown Mining District, Boulder County, Colorado, USA
3.1km (1.9 miles) ⓘEmmett Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
3.2km (2.0 miles) ⓘBueno (Buena Group), Jamestown Mining District, Boulder County, Colorado, USA
3.2km (2.0 miles) ⓘAlice Mine, Jamestown, Jamestown Mining District, Boulder County, Colorado, USA
3.3km (2.0 miles) ⓘHumboldt Mine, Inexco Mine, Jamestown 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
 
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