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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Plagioclase from
Unnamed Pegmatite occurrence [3], Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA


Locality type:Occurrence
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Unnamed Pegmatite occurrence [3], Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:438731
Long-form Identifier:1:3:438731:2
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
4.7km (2.9 miles) ⓘBucky pegmatite (New Anniversary; Willow Creek), Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
21.8km (13.5 miles) ⓘBon Ton Mine, Monarch Mining District, Chaffee County, Colorado, USA
26.4km (16.4 miles) ⓘRazor Creek Dome, Saguache County, Colorado, USA
38.9km (24.2 miles) ⓘUnnamed Uranium - Feldspar Mine (MRDS - 10013132), Saguache County, Colorado, USA
58.2km (36.2 miles) ⓘAce High - Jackpot Prospect, Turret Mining District, Chaffee County, Colorado, USA
60.8km (37.8 miles) ⓘWest Maroon Pass Area, Pitkin County, Colorado, USA
61.7km (38.3 miles) ⓘMica-Beryl Mine (MRDS - 10013705), Turret Mining District, Chaffee County, Colorado, USA
61.7km (38.4 miles) ⓘOld Glory claim (Last Chance prospect; Last Chance Spar-Mica Dyke prospect), Turret Mining District, Chaffee County, Colorado, USA
63.9km (39.7 miles) ⓘCrystal No. 8 Mine, Chaffee County, Colorado, USA
67.1km (41.7 miles) ⓘNewett Quarries, Chaffee County, Colorado, USA
References
Eckel, Edwin Butt; Cobban, Robert R.; Mosburg, Shirley K.; Foord, Eugene E. (1997) Minerals of Colorado. Fulcrum Publishing.
 
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