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
Dubuque Tunnel Occurrence, Aspen Mining District (Roaring Fork Mining District), Pitkin County, Colorado, USA


Locality type:Occurrence
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Dubuque Tunnel Occurrence, Aspen Mining District (Roaring Fork Mining District), Pitkin County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:379524
Long-form Identifier:1:3:379524:8
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
2.6km (1.6 miles) ⓘMidnight Mine, Aspen Mining District (Roaring Fork Mining District), Pitkin County, Colorado, USA
2.9km (1.8 miles) ⓘHighland Tunnel, Aspen Mining District (Roaring Fork Mining District), Pitkin County, Colorado, USA
4.0km (2.5 miles) ⓘHope Mine (Claims: Hope Nos. 1-4; Hope M. S.), Aspen Mining District (Roaring Fork Mining District), Pitkin County, Colorado, USA
4.8km (3.0 miles) ⓘMollie Gibson Mine, Aspen, Aspen Mining District (Roaring Fork Mining District), Pitkin County, Colorado, USA
10.6km (6.6 miles) ⓘLenado, Woody Creek, Aspen Mining District (Roaring Fork Mining District), Pitkin County, Colorado, USA
10.6km (6.6 miles) ⓘColumbia District, Gunnison County, Colorado, USA
14.4km (9.0 miles) ⓘSnowmass Creek Mine, Snowmass Creek Area, Pitkin County, Colorado, USA
14.4km (9.0 miles) ⓘGold Hill Tunnel (Gold Star Tunnel), Pitkin County, Colorado, USA
14.5km (9.0 miles) ⓘDifficult Creek District Occurrence, Difficult Creek Mining District, Gunnison County, Colorado, USA
15.0km (9.3 miles) ⓘMontezuma Mine (Yellow Boy; MS 2177; Emma; MS 6976), Columbia Mining District (Ashcroft Mining District), Pitkin County, Colorado, USA
References
Spurr (1898) Geology of the Aspen Mining District, Colorado. USGS Monograph No. 31
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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