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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Copper Stain from
Ladwig Group (Ladwig No. 2; Ladwig No. 3; Claims: Ladwig No. 1), Ralston Buttes Mining District, Jefferson County, Colorado, USA


Classification
Species:'Copper Stain' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Copper Stain data
Locality Data:Click here to view Ladwig Group (Ladwig No. 2; Ladwig No. 3; Claims: Ladwig No. 1), Ralston Buttes Mining District, Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:609450
Long-form Identifier:1:3:609450:8
GUID (UUID V4):0
Nearest other occurrences of Copper Stain
19.9km (12.4 miles) ⓘBobtail Mine, Black Hawk, Black Hawk Mining District, Gilpin County, Colorado, USA
23.0km (14.3 miles) ⓘBoss Mine, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
23.2km (14.4 miles) ⓘCastleton Shaft, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
24.6km (15.3 miles) ⓘDubuque, Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
28.6km (17.8 miles) ⓘRogers No. 1; 2; 3-5; 7-11 Occurrence, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
29.9km (18.6 miles) ⓘChicago, Black Eagle Group, Lamartine Mining District, Clear Creek County, Colorado, USA
81.3km (50.5 miles) ⓘCarter Mine (Carter Tunnel), Masonville Mining District, Larimer County, Colorado, USA
91.4km (56.8 miles) ⓘEmpire Mine, Empire Mining District (Howes Gulch Mining District), Larimer County, Colorado, USA
References
USGS: Geological Survey Circular 320
 
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