Vote for your favorite mineral in #MinCup26! - Hafnon vs. Putnisite
It's a pair of tiny minerals of unusual chemistry as orange Hafnon battles with purple Putnisite.
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Muscovite from
Gold Dirt Mine, Silver Mountain Ore Zone, Upper Union Mining District, Clear Creek 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 Gold Dirt Mine, Silver Mountain Ore Zone, Upper Union Mining District, Clear Creek County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1003839
Long-form Identifier:1:3:1003839:4
GUID (UUID V4):0
Nearest other occurrences of Muscovite
0.2km (0.1 miles) ⓘGold Fissure Mine, Silver Mountain Ore Zone, Upper Union Mining District, Clear Creek County, Colorado, USA
0.3km (0.2 miles) ⓘSilver Mountain Occurrence, Silver Mountain Ore Zone, Upper Union Mining District, Clear Creek County, Colorado, USA
4.5km (2.8 miles) ⓘMurry Mine, Lawson Mining District, Clear Creek County, Colorado, USA
4.5km (2.8 miles) ⓘAlice Mine, Alice Mining District (Yankee Mining District; Lincoln Mining District), Clear Creek County, Colorado, USA
4.9km (3.0 miles) ⓘAmerican Sisters Mine, Lawson Mining District, Clear Creek County, Colorado, USA
8.3km (5.2 miles) ⓘInvincible (Baltimore; Brighton; Silver Link; Blackwood; Alpine; Roca; Brownell; Frelland; Lance; Mint; Mammoth; Belle Creole; Ariadne; Diamond Mt.; Miller; Cecil; Falcon; Harrisburg; C. M. Welch), Lamartine Mining District, Clear Creek County, Colorado, USA
8.9km (5.5 miles) ⓘSherman Mountain, Silver Plume, Georgetown District, Clear Creek County, Colorado, USA
9.9km (6.2 miles) ⓘBismark Pelican (Pelican - Dives Mine), Georgetown District, Clear Creek County, Colorado, USA
11.7km (7.3 miles) ⓘDevils Canyon, Clear Creek County, Colorado, USA
12.3km (7.7 miles) ⓘStanley Mine (Gehrmann; Cooper; York; Whale; Golden Link), Idaho Springs Mining District (Virginia Mining District), Clear Creek County, Colorado, USA
References
Lovering, T.S., Goddard, E.N. (1950) Geology and ore deposits of the Front Range, Colorado. Professional Paper 223. US Geological Survey doi:10.3133/pp223
 
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