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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Quartz from
Calcor Lode Mine, Grass Valley, Grass Valley Mining District, Nevada County, California, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Calcor Lode Mine, Grass Valley, Grass Valley Mining District, Nevada County, California, USA
Data Identifiers
Mindat Occurrence Record ID:953664
Long-form Identifier:1:3:953664:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.5km (0.3 miles) ⓘRed Hill Quartz Mine, Rough and Ready, Rough-and-Ready Mining District, Nevada County, California, USA
0.9km (0.6 miles) ⓘEast Star Lode Mine (East Star Mine), Empire Star group (Empire Star Mines Company holdings), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
1.0km (0.6 miles) ⓘKing Bee Quartz Mine (King Bee Qtz.; King Bee), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
1.0km (0.6 miles) ⓘHughes Mine [1], Grass Valley, Grass Valley Mining District, Nevada County, California, USA
1.2km (0.7 miles) ⓘGold Mound Mine (Boyle and Roach placer), Rough and Ready, Rough-and-Ready Mining District, Nevada County, California, USA
1.2km (0.8 miles) ⓘNichols group, Grass Valley, Grass Valley Mining District, Nevada County, California, USA
1.4km (0.8 miles) ⓘBoundary Mine (Grass Valley Boundary Mine; New Idea Mine; Oak Tree Quartz Mine; Oak Tree Mine; Brock vein; Peabody vein; Footwall vein), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
1.4km (0.9 miles) ⓘNormandie Dulmaine Mine (Normandy-Dulmaine), Rough and Ready, Rough-and-Ready Mining District, Nevada County, California, USA
1.5km (0.9 miles) ⓘSouth Star Mine (South Star group), Rough and Ready, Rough-and-Ready Mining District, Nevada County, California, USA
1.5km (0.9 miles) ⓘMacDonald Quartz Mine (Macdonald Qtz; Macdonald), Rough and Ready, Rough-and-Ready Mining District, Nevada County, California, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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