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
White Cloud pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA


Locality type:Pegmatite
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view White Cloud pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:298680
Long-form Identifier:1:3:298680:7
GUID (UUID V4):0
Nearest other occurrences of Quartz
2.6km (1.6 miles) ⓘJudy Ann Mine, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
2.8km (1.7 miles) ⓘDazie Bell claim, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
3.2km (2.0 miles) ⓘDelbert Claims No. 1 & 2, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
3.4km (2.1 miles) ⓘTwin Cedars pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
3.5km (2.2 miles) ⓘSusy Belle Occurrence, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
3.5km (2.2 miles) ⓘButte No. 1 (Daisey Belle), South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
4.0km (2.5 miles) ⓘOregon No. 2 pegmatite (Raleigh Peak No. 3 pegmatite), South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
4.9km (3.0 miles) ⓘLittle Patsy pegmatite, South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
5.0km (3.1 miles) ⓘUnknown Quartz - Feldspar - Mica Occurrence (MRDS - 10016599), South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
8.0km (5.0 miles) ⓘSeerie pegmatite (Cooper pegmatite), South Platte Pegmatite Mining District, Jefferson County, Colorado, USA
References
Meeves, H.; Harrer, C.M.; Salsbury, M.H.; Konselman, A.S; Shannon, S.S. Jnr. (1966) Reconnaissance of beryllium-bearing pegmatite deposits in six western states: Arizona, Colorado, New Mexico, South Dakota, Utah, and Wyoming. Bureau of Mines Information Circular 8298. United States Department of the Interior 34 pp.p.29 - (Table A-1)
Simmons, William B., Heinrich, E. William (1980) Rare-Earth Pegmatites of the South Platte District, Colorado. Resource Series 11, Colorado Geological Survey.
Rhiana E. Henry, Charles Stern, Markus B. Raschke, Julien M. Allaz,Evan J. D. Anderson, Alexandra Skewes (2016) Rare Earth Element Pegmatites in the South Platte Region of Colorado. in Second Eugene E. Foord Pegmatite Symposium July 15-19, 2016 Colorado School of Mines campus, Golden, Colorado
 
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