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
Black Cloud, Gold Hill Mining District, Boulder 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 Black Cloud, Gold Hill Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:371854
Long-form Identifier:1:3:371854:4
GUID (UUID V4):0
Nearest other occurrences of Pitchblende
1.0km (0.6 miles) ⓘFairday Mine, Central Mining District, Boulder County, Colorado, USA
1.7km (1.1 miles) ⓘGoldsmith Maid Occurrence, Gold Hill Mining District, Boulder County, Colorado, USA
7.0km (4.4 miles) ⓘLady Bug Occurrence, Jamestown Mining District, Boulder County, Colorado, USA
18.9km (11.8 miles) ⓘCaribou Mine (Caribou shaft), Caribou Mine group, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
22.3km (13.8 miles) ⓘShirley Lode, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
22.3km (13.9 miles) ⓘSisk Mine, Gold Hill Mining District, Boulder County, Colorado, USA
23.9km (14.9 miles) ⓘNorth Star Mine, Ralston Buttes Mining District, Jefferson County, Colorado, USA
24.6km (15.3 miles) ⓘMena Mine (Hoffmeister Homestead Prospect; Black Judge Shaft), Ralston Buttes Mining District, Jefferson County, Colorado, USA
25.0km (15.5 miles) ⓘRose Mary Occurrence, Gold Hill Mining District, Boulder County, Colorado, USA
26.0km (16.2 miles) ⓘSchwartzwalder Mine (Ralston Creek Mine), Ralston Buttes Mining District, Jefferson County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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