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
Freeland Mine & Extension Mine (Extension Line Shaft; Minnie Tunnel; Diamond Tunnel; Platt Tunnel; Freeland Shaft), Lamartine Mining District, Clear Creek 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 Freeland Mine & Extension Mine (Extension Line Shaft; Minnie Tunnel; Diamond Tunnel; Platt Tunnel; Freeland Shaft), Lamartine Mining District, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:65600
Long-form Identifier:1:3:65600:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.4km (0.2 miles) ⓘSilver Link, Lamartine Mining District, Clear Creek County, Colorado, USA
0.5km (0.3 miles) ⓘGum Tree Mine - Shaft & Tunnel, Lawson Mining District, Clear Creek County, Colorado, USA
0.9km (0.5 miles) ⓘBelle Creole, Freeland, Freeland-Lamartine Mining District, Clear Creek County, Colorado, USA
0.9km (0.6 miles) ⓘLittle Johnny, Freeland, Freeland-Lamartine Mining District, Clear Creek County, Colorado, USA
1.1km (0.7 miles) ⓘNew Era Mine, Trail Creek Mining District, Clear Creek County, Colorado, USA
1.2km (0.8 miles) ⓘBaltimore Mine, Lamartine Mining District, Clear Creek County, Colorado, USA
1.4km (0.9 miles) ⓘMartha E. Mine, Lamartine Mining District, Clear Creek County, Colorado, USA
1.5km (0.9 miles) ⓘOld Settler Mine & Tunnel, Lawson Mining District, Clear Creek County, Colorado, USA
1.9km (1.2 miles) ⓘBruce (Dierks; Orinoco), Lamartine Mining District, Clear Creek County, Colorado, USA
2.0km (1.2 miles) ⓘSilent Friend, Lawson Mining District, Clear Creek County, Colorado, USA
References
Dana 6:1089.
USGS Bull 1032B
Emmons, S. F., Becker, G. F. (1885) Statistics and Technology of the Precious Metals. Bureau of the Census.
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
Moench, Robert Hadley, Drake, Avery Ala (1966) Mines and Prospects, Idaho Springs District, Clear Creek and Gilpin Counties, Colorado - Descriptions and Maps. Open-File Report Vol. 1966 (66-87) US Geological Survey doi:10.3133/ofr6687
 
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