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Muscovite from
Brown Derby No. 5 Mine, Brown Derby Mine, Quartz Creek Pegmatite 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 Brown Derby No. 5 Mine, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:706686
Long-form Identifier:1:3:706686:3
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.0km (0.0 miles) ⓘBeryl and Rare Minerals Lode, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
0.0km (0.0 miles) ⓘPegmatite No. 537 Occurrence, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
0.0km (0.0 miles) ⓘPegmatite No. 538 Occurrence, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
1.1km (0.7 miles) ⓘBrown Derby No. 1, Brown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
1.1km (0.7 miles) ⓘBrown Derby Mine, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
2.2km (1.4 miles) ⓘBazooka, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
2.2km (1.4 miles) ⓘPegmatite 417 Occurrence, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
3.4km (2.1 miles) ⓘBucky pegmatite (New Anniversary; Willow Creek), Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
3.8km (2.4 miles) ⓘMadagascar No. 1 claim, Quartz Creek Pegmatite Mining District, Gunnison County, Colorado, USA
19.5km (12.1 miles) ⓘBon Ton Mine, Monarch Mining District, Chaffee County, Colorado, USA
References
USGS Proffesional Paper 265
Hanley, J.B., Heinrich, E.W., Page, L.R. (1950) Pegmatite investigations in Colorado, Wyoming, and Utah, 1942-1944. Professional Paper 227. US Geological Survey doi:10.3133/pp227
 
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