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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Pitchblende from
Alma Lincoln Mine, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA


Locality type:Mine
Classification
Species:Uraninite var: Pitchblende
Formula:UO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pitchblende data
Locality Data:Click here to view Alma Lincoln Mine, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:360531
Long-form Identifier:1:3:360531:8
GUID (UUID V4):0
Nearest other occurrences of Pitchblende
0.6km (0.4 miles) ⓘStar Mine, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
0.7km (0.4 miles) ⓘStanley Mine (Gehrmann; Cooper; York; Whale; Golden Link), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
2.0km (1.3 miles) ⓘRed Jacket, Idaho Springs, Lawson Mining District, Clear Creek County, Colorado, USA
2.3km (1.4 miles) ⓘMartha E. Mine, Lamartine Mining District, Clear Creek County, Colorado, USA
3.3km (2.0 miles) ⓘMary Mine, Lawson Mining District, Clear Creek County, Colorado, USA
3.8km (2.3 miles) ⓘAyres Shaft, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
4.0km (2.5 miles) ⓘGolden Calf Shaft, Lawson Mining District, Clear Creek County, Colorado, USA
4.0km (2.5 miles) ⓘCalhoun-Wood Mines (Jefferson), Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
4.1km (2.5 miles) ⓘMary Mine (Phillips tunnel), Fall River, Clear Creek County, Colorado, USA
4.1km (2.6 miles) ⓘTaylor-Leavenworth Mine, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
References
USGS OFR 66-87(Moench,1966)
Sims, P.K. (1963) Geology of uranium and associated ore deposits, central part of the Front Range mineral belt, Colorado. Professional Paper 371. US Geological Survey doi:10.3133/pp371
 
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