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Biotite from
Italian Mountain, Taylor Park, Dorchester Mining District, Gunnison Co., Colorado, USA

Locality type:Mountain
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg)([Si/Al]Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
References
References:Minerals of Colorado (1997) Eckel, E. B.
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Italian Mountain, Taylor Park, Dorchester Mining District, Gunnison Co., Colorado, USA
Nearest other occurrences of Biotite
5.5km (3.4 miles) Comet group (Comet prospect), Gunnison Co., Colorado, USA
23.0km (14.3 miles) West Maroon Pass Area, Pitkin Co., Colorado, USA
24.4km (15.1 miles) Independence (Independence Pass), Columbia Mining District (Ashcroft Mining District), Pitkin Co., Colorado, USA
26.2km (16.3 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
29.3km (18.2 miles) Standard Mine, Ruby Mining District (Elk Mountain Mining District; Irwin Mining District), Gunnison Co., Colorado, USA
36.4km (22.6 miles) Boulder Creek, Gold Brick Mining District, Gunnison Co., Colorado, USA
37.4km (23.3 miles) Bon Ton Mine, Monarch Mining District, Chaffee Co., Colorado, USA
38.7km (24.1 miles) Dutch Flat Gulch, Gold Brick Mining District, Gunnison Co., Colorado, USA
41.8km (26.0 miles) Bucky pegmatite (New Anniversary; Willow Creek), Quartz Creek Pegmatite Mining District, Gunnison Co., Colorado, USA
42.9km (26.6 miles) Black Wonder Occurrence, Quartz Creek Pegmatite Mining District, Gunnison Co., Colorado, USA
 
Mineral and/or Locality  
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