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Muscovite from
Robinson Gulch pegmatite, Clear Creek pegmatite Province, Jefferson Co., Colorado, USA

Description
Quality of samples:not specified / average specimens
Confirmation
Validity:Believed Valid
References
References:U.S. Geological Survey, 2005, Mineral Resources Data System: U.S. Geological Survey, Reston, Virginia.; USGS Prof. Paper 227
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Robinson Gulch pegmatite, Clear Creek pegmatite Province, Jefferson Co., Colorado, USA
Nearest other occurrences of Muscovite
2.1km (1.3 miles) Guy Hill pegmatite area, Jefferson Co., Colorado, USA
3.9km (2.4 miles) Centennial Cone pegmatite (K. L. Green Ranch), Centennial Cone, Clear Creek pegmatite Province, Jefferson Co., Colorado, USA
4.0km (2.5 miles) G. H. Buckman Ranch, Front Range, Jefferson Co., Colorado, USA
5.2km (3.2 miles) Drew Hill Prospect (Drew Hill Pegmatites Nos. 1 and 2), Clear Creek pegmatite Province, Jefferson Co., Colorado, USA
5.7km (3.6 miles) Roscoe Beryl Mine (Roscoe pegmatite), Clear Creek pegmatite Province, Jefferson Co., Colorado, USA
6.4km (4.0 miles) Strang Pegmatite Occurrence (S. B. Strang Ralston Creek Pegmatite), Clear Creek Pegmatite Province, Jefferson Co., Colorado, USA
6.9km (4.3 miles) Cressmans Gulch Mine (Cressmans Gulch pegmatite), Clear Creek pegmatite Province, Jefferson Co., Colorado, USA
9.0km (5.6 miles) Ajax Mica Mine (Floyd Hill Mica Mine), Clear Creek Pegmatite Province, Clear Creek Co., Colorado, USA
12.0km (7.4 miles) Grover Mine (Grover pegmatite; Windsor), Clear Creek Co., Colorado, USA
12.1km (7.5 miles) Burroughs Mine (Traut-Rudin-Anderson Pegmatite; Sunrise Peak Mine), Clear Creek pegmatite Province, Jefferson Co., Colorado, USA
12.8km (7.9 miles) Swede - Kerr Gulches Pegmatites, Clear Creek Pegmatite Province, Jefferson Co., Colorado, USA
14.3km (8.9 miles) Seven Hills - Yetter Ranch Pegmatite Occurrence, Clear Creek Pegmatite Province, Jefferson Co., Colorado, USA
19.7km (12.2 miles) Bald Mountain pegmatite (Evans Ranch), Upper Bear Creek, Bald Mountain, Clear Creek Co., Colorado, USA
24.6km (15.3 miles) Murry Mine, Lawson District (Dumont District), Clear Creek Co., Colorado, USA
25.2km (15.7 miles) Iowa Gulch Occurrence (Iowa Gulch Pegmatite), Jefferson Co., Colorado, USA
26.5km (16.5 miles) Fenders - Magnotte Pegmatite Occurrence, Jefferson Co., Colorado, USA
27.4km (17.0 miles) Bigger Mica Mine (Sweitzer Lode), Clear Creek pegmatite Province, Jefferson Co., Colorado, USA
30.5km (19.0 miles) Thomas - Union Lodes (Mica Mine), Jefferson Co., Colorado, USA
31.1km (19.3 miles) Wilson beryl prospect, Gold Hill District, Boulder Co., Colorado, USA
35.8km (22.2 miles) Beryl Lode (Lehman mine), Left Hand Creek District, Boulder Co., Colorado, USA
35.8km (22.2 miles) Elkhorn Prospect (Tin Horn Occurrence), Left Hand Creek District, Boulder Co., Colorado, USA
35.8km (22.3 miles) Highline Prospect, Left Hand Creek District, Boulder Co., Colorado, USA
39.1km (24.3 miles) New Girl Prospect, Left Hand Creek District, Boulder Co., Colorado, USA
42.4km (26.3 miles) Seerie pegmatite (Cooper pegmatite), South Platte Pegmatite District, Jefferson Co., Colorado, USA
42.9km (26.6 miles) Henderson Mine, Dailey District (Jones Pass District), Clear Creek Co., Colorado, USA
43.2km (26.9 miles) Little Patsy pegmatite (Patsy pegmatite), South Platte Pegmatite District, Jefferson Co., Colorado, USA
46.1km (28.7 miles) White Cloud pegmatite, South Platte Pegmatite District, Jefferson Co., Colorado, USA
46.8km (29.1 miles) Judy Ann Mine, South Platte Pegmatite District, Jefferson Co., Colorado, USA
51.0km (31.7 miles) McGuire pegmatite (Lone Lode; Lonesome pegmatite), Park Co., Colorado, USA
69.7km (43.3 miles) Giant Crystal Mine, Crystal Mountain Pegmatite District (Storm Mountain District), Larimer Co., Colorado, USA
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