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
Strang pegmatite occurrence (S. B. Strang Ralston Creek pegmatite), Clear Creek Pegmatite Province, Jefferson County, Colorado, USA


Locality type:Occurrence
Classification
Type:Gneiss
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Gneiss data
Locality Data:Click here to view Strang pegmatite occurrence (S. B. Strang Ralston Creek pegmatite), Clear Creek Pegmatite Province, Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1046246
Long-form Identifier:1:3:1046246:7
GUID (UUID V4):0
Nearest other occurrences of Gneiss
6.0km (3.7 miles) ⓘBankers Lode Claim, Ralston Buttes Mining District, Jefferson County, Colorado, USA
6.7km (4.2 miles) ⓘNorth Star Mine, Ralston Buttes Mining District, Jefferson County, Colorado, USA
7.6km (4.7 miles) ⓘLake Fork Gulch Foster Ranch Occurrence, Black Hawk Mining District, Gilpin County, Colorado, USA
8.2km (5.1 miles) ⓘGilpin Eureka Essex Group, Eureka Mining District, Gilpin County, Colorado, USA
8.8km (5.4 miles) ⓘMo Prospect (MRDS - 10013711), Ralston Buttes Mining District, Jefferson County, Colorado, USA
9.3km (5.8 miles) ⓘCalc-silicate gneiss, Centennial Cone, Clear Creek pegmatite Province, Jefferson County, Colorado, USA
9.3km (5.8 miles) ⓘUnknown REE Occurrence (MRDS - 10016138), Ralston Buttes Mining District, Jefferson County, Colorado, USA
9.4km (5.8 miles) ⓘGerman and Belcher, Quartz Hill, Central City Mining District (Central Mining District), Gilpin County, Colorado, USA
9.4km (5.8 miles) ⓘG. H. Buckman Ranch, Front Range, Jefferson County, Colorado, USA
9.9km (6.2 miles) ⓘAscension Mine (Nare Lease; Nair Prospect), Ralston Buttes Mining District, Jefferson County, Colorado, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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