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
Jay Gould Mine, Silver Cliff Mining District, Custer 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 Jay Gould Mine, Silver Cliff Mining District, Custer County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:373521
Long-form Identifier:1:3:373521:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.6km (0.4 miles) ⓘDefender Mine, Silver Cliff Mining District, Custer County, Colorado, USA
0.6km (0.4 miles) ⓘKate Mine (Silver Bar; King of the Carbonate Shaft?), Silver Cliff Mining District, Custer County, Colorado, USA
0.7km (0.5 miles) ⓘRound Mountain Prospect, Silver Cliff Mining District, Custer County, Colorado, USA
1.3km (0.8 miles) ⓘGeyser Mine (Security - Geyser), Silver Cliff Mining District, Custer County, Colorado, USA
1.3km (0.8 miles) ⓘRevelee Property, Silver Cliff Mining District, Custer County, Colorado, USA
1.4km (0.9 miles) ⓘHerman Passiflora Mine (Shafts: Vidler; Edman; Baker; Rey; Blunt; Denver Lease; Claims: Thames River; Ten To One; Songbird), Silver Cliff Mining District, Custer County, Colorado, USA
1.4km (0.9 miles) ⓘLady Franklin Mine, Silver Cliff Mining District, Custer County, Colorado, USA
1.5km (0.9 miles) ⓘP. D. Q. Shaft, Silver Cliff Mining District, Custer County, Colorado, USA
1.8km (1.1 miles) ⓘKeystone Mine (Annabel Lode; Fraction Claim), Silver Cliff Mining District, Custer County, Colorado, USA
2.7km (1.7 miles) ⓘJit Prospect (Stroehlke Prospect), Silver Cliff Mining District, Custer County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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