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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Andesite from
Seneca Tunnel, Rosita Mining District, Custer County, Colorado, USA


Locality type:Tunnel
Classification
Type:Andesite
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Andesite data
Locality Data:Click here to view Seneca Tunnel, Rosita Mining District, Custer County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1044832
Long-form Identifier:1:3:1044832:4
GUID (UUID V4):0
Nearest other occurrences of Andesite
0.6km (0.4 miles) ⓘNebraska Shaft, Rosita Mining District, Custer County, Colorado, USA
0.6km (0.4 miles) ⓘSummit Mine, Rosita Mining District, Custer County, Colorado, USA
0.6km (0.4 miles) ⓘNew Year Prospect, Rosita Mining District, Custer County, Colorado, USA
0.7km (0.4 miles) ⓘStephen Prospect, Rosita Mining District, Custer County, Colorado, USA
0.7km (0.4 miles) ⓘTwenty-Six Shafts, Rosita Mining District, Custer County, Colorado, USA
0.8km (0.5 miles) ⓘLeavenworth Mine, Rosita Mining District, Custer County, Colorado, USA
0.8km (0.5 miles) ⓘWest Leviathan Mine, Rosita Mining District, Custer County, Colorado, USA
0.8km (0.5 miles) ⓘPioneer Mine (Big Bonnie; Claims: Rocky Point; Delta Fox; Sunset), Rosita Mining District, Custer County, Colorado, USA
0.9km (0.6 miles) ⓘCaroline Tunnel Occurrence, Rosita Mining District, Custer County, Colorado, USA
0.9km (0.6 miles) ⓘEureka Shaft, Rosita Mining District, Custer County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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