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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Muscovite from
Standard Mine, Ruby Mining District (Elk Mountain Mining District; Irwin Mining District), Gunnison County, Colorado, USA


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Standard Mine, Ruby Mining District (Elk Mountain Mining District; Irwin Mining District), Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:715468
Long-form Identifier:1:3:715468:3
GUID (UUID V4):0
Nearest other occurrences of Muscovite
3.7km (2.3 miles) ⓘMt. Emmons/Crested Butte (Chautauqua; Daisey; Daisey Mine; Mt. Emmons; Crested Butte), Elk Mountain Mining District (Snowmass Mountain Mining District), Gunnison County, Colorado, USA
32.9km (20.4 miles) ⓘComet group (Comet prospect), Gunnison County, Colorado, USA
36.1km (22.4 miles) ⓘMidnight Mine, Aspen Mining District (Roaring Fork Mining District), Pitkin County, Colorado, USA
45.7km (28.4 miles) ⓘAnchor Group, Lincoln Mining District (Lincoln Gulch Mining District; Ruby Mining District), Chaffee County, Colorado, USA
47.0km (29.2 miles) ⓘGunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison Mining District, Gunnison County, Colorado, USA
49.5km (30.8 miles) ⓘMadagascar No. 1 claim, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
51.0km (31.7 miles) ⓘBucky pegmatite (New Anniversary; Willow Creek), Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
51.1km (31.8 miles) ⓘGold Basin District Occurrence (MS 1984; Patented Claim: Belle Flora), Green Mountain Mining District (Gold Basin Mining District; Iris Mining District), Gunnison County, Colorado, USA
51.6km (32.0 miles) ⓘPanco Manganese Deposit, Snowmass Area, Pitkin County, Colorado, USA
53.3km (33.1 miles) ⓘPegmatite No. 537 Occurrence, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
References
Caine, J.S., Manning, A.H., Berger, B.R., Kremer, Y., Guzman, M.A., Eberl, D.D., and Schuller, K. (2010): USGS Open-File Report 10-1008
 
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