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

Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
References
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
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 Co., Colorado, USA
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 Co., Colorado, USA
32.9km (20.4 miles) Comet group (Comet prospect), Gunnison Co., Colorado, USA
36.1km (22.4 miles) Midnight Mine, Aspen Mining District (Roaring Fork Mining District), Pitkin Co., Colorado, USA
47.0km (29.2 miles) Gunnison District Occurrence (W.C. Dillon; MS 10715), Gunnison Mining District, Gunnison Co., Colorado, USA
51.0km (31.7 miles) Bucky pegmatite (New Anniversary; Willow Creek), Quartz Creek Pegmatite Mining District, Gunnison Co., 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 Co., Colorado, USA
51.6km (32.0 miles) Panco Manganese Deposit, Snowmass Area, Pitkin Co., Colorado, USA
53.3km (33.1 miles) Pegmatite No. 538 Occurrence, Quartz Creek Pegmatite Mining District, Gunnison Co., Colorado, USA
53.3km (33.1 miles) Beryl and Rare Minerals Lode, Quartz Creek Pegmatite Mining District, Gunnison Co., Colorado, USA
53.3km (33.1 miles) Pegmatite No. 537 Occurrence, Quartz Creek Pegmatite Mining District, Gunnison Co., Colorado, USA
 
Mineral and/or Locality  
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