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
Ophir Valley occurrence (New Dominion; Nevada Gulch; Silver Tip Lower Yellow Jacket; Chapman Gulch), Ophir, Ophir Mining District (Iron Springs Mining District), San Miguel County, Colorado, USA


Locality type:Occurrence
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 Ophir Valley occurrence (New Dominion; Nevada Gulch; Silver Tip Lower Yellow Jacket; Chapman Gulch), Ophir, Ophir Mining District (Iron Springs Mining District), San Miguel County, Colorado, USA
Data Identifiers
Mindat Occurrence Record ID:1003564
Long-form Identifier:1:3:1003564:3
GUID (UUID V4):0
Nearest other occurrences of Muscovite
9.0km (5.6 miles) ⓘBrooklyn Mine, Brown's Gulch, San Juan County, Colorado, USA
10.6km (6.6 miles) ⓘLongfellow Mine, San Juan County, Colorado, USA
12.2km (7.6 miles) ⓘSultan Mountain, Silverton, Animas Mining District, San Juan County, Colorado, USA
12.3km (7.6 miles) ⓘMayday Mine, Anvil Mountain, Silverton, Animas Mining District, San Juan County, Colorado, USA
12.3km (7.7 miles) ⓘSmuggler Union Mine, Marshall Basin, Telluride Mining District, Colorado, USA
12.4km (7.7 miles) ⓘIdarado Mine, Ouray County, Colorado, USA
15.5km (9.6 miles) ⓘCamp Bird Mine, Imogene Basin, Sneffels Mining District, Ouray County, Colorado, USA
17.5km (10.8 miles) ⓘCarpenter Mine, Lower San Miguel Mining District, San Miguel County, Colorado, USA
18.5km (11.5 miles) ⓘLaura Dunmore occurrence, Ouray Mining District, Ouray County, Colorado, USA
19.0km (11.8 miles) ⓘSunnyside Mine group, Bonita Peak, Gladstone, Eureka Mining District, San Juan County, Colorado, USA
References
USGS Bull 1182E
 
and/or  
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