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
Midnight Mine, Aspen Mining District (Roaring Fork Mining District), Pitkin 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 Midnight Mine, Aspen Mining District (Roaring Fork Mining District), Pitkin County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:998896
Long-form Identifier:1:3:998896:5
GUID (UUID V4):0
Nearest other occurrences of Muscovite
17.5km (10.9 miles) ⓘComet group (Comet prospect), Gunnison County, Colorado, USA
24.5km (15.2 miles) ⓘAnchor Group, Lincoln Mining District (Lincoln Gulch Mining District; Ruby Mining District), Chaffee County, Colorado, USA
26.9km (16.7 miles) ⓘPanco Manganese Deposit, Snowmass Area, Pitkin County, Colorado, USA
34.8km (21.6 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
36.1km (22.4 miles) ⓘStandard Mine, Ruby Mining District (Elk Mountain Mining District; Irwin Mining District), Gunnison County, Colorado, USA
37.0km (23.0 miles) ⓘBanker Mine, La Plata Mining District (Winfield Mining District), Chaffee County, Colorado, USA
39.4km (24.5 miles) ⓘLaplander tunnel, St. Kevin - Independence, Lake County, Colorado, USA
40.5km (25.1 miles) ⓘTurquoise Lake Occurrence, St. Kevin - Independence, Lake County, Colorado, USA
40.5km (25.1 miles) ⓘLakewood Mine, St. Kevin - Independence, Lake County, Colorado, USA
41.1km (25.5 miles) ⓘSt. Kevin Occurrence, St. Kevin - Independence, Lake 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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