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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Gneiss from
Cold Spring Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA


Locality type:Mine
Classification
Type:Gneiss
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gneiss data
Locality Data:Click here to view Cold Spring Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1044047
Long-form Identifier:1:3:1044047:4
GUID (UUID V4):0
Nearest other occurrences of Gneiss
1.0km (0.6 miles) ⓘVasco No. 7, Boulder County, Colorado, USA
3.1km (2.0 miles) ⓘMock Shaft Occurrence (Big Six Mine), Boulder County Tungsten Mining District, Boulder County, Colorado, USA
5.9km (3.7 miles) ⓘGolden Reward Occurrence, Grand Island, Caribou Mining District, Boulder County, Colorado, USA
8.0km (5.0 miles) ⓘMogul Tunnel Occurrence, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
10.0km (6.2 miles) ⓘDorothy Mine, Boulder County Tungsten Mining District, Boulder County, Colorado, USA
10.1km (6.2 miles) ⓘB & M Occurrence, Ward Mining District, Boulder County, Colorado, USA
10.6km (6.6 miles) ⓘGolden Queen Occurrence, Ward Mining District, Boulder County, Colorado, USA
10.9km (6.8 miles) ⓘWar Eagle, Independence Mining District (Perigo Mining District), Gilpin County, Colorado, USA
12.9km (8.0 miles) ⓘMountain Goat, Caribou Mining District, Boulder County, Colorado, USA
14.4km (9.0 miles) ⓘSnowden; Golden Rod Occurrence, Apex Mining District (Kingston Mining District; Pine Mining District), Gilpin County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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