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Biotite from
Douglas Mine (Morning Star claims 1868 & 1871; Douglas Gold and Copper Company), Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mountains, Albany County, Wyoming, USA


Locality type:Mine
Classification
Species:'Biotite' (not an IMA approved species)
Formula:K(Fe2+/Mg)2(Al/Fe3+/Mg/Ti)([Si/Al/Fe]2Si2O10)(OH/F)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Biotite data
Locality Data:Click here to view Douglas Mine (Morning Star claims 1868 & 1871; Douglas Gold and Copper Company), Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mountains, Albany County, Wyoming, USA
Data Identifiers
Mindat Occurrence Record ID:1572627
Long-form Identifier:1:3:1572627:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
2.7km (1.7 miles) ⓘNew Rambler mine (Rambler Mine; Holmes Mine; Electrolytic Mine; Great Rambler Mine), New Rambler Mining District, Albany County, Wyoming, USA
2.8km (1.7 miles) ⓘCuprite Mine, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mountains, Albany County, Wyoming, USA
3.2km (2.0 miles) ⓘKeystone Mine, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mountains, Albany County, Wyoming, USA
3.7km (2.3 miles) ⓘUnnamed Au mine, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mountains, Albany County, Wyoming, USA
9.4km (5.8 miles) ⓘMaudem Group Mine, Keystone Mining District - Douglas Creek Mining District, Medicine Bow Mountains, Albany County, Wyoming, USA
19.2km (11.9 miles) ⓘFunk's Mine (George-Funk mica pegmatite prospects), Fox Park, Albany County, Wyoming, USA
21.3km (13.2 miles) ⓘPlatt Pegmatite Mine, Big Creek pegmatite District, Carbon County, Wyoming, USA
24.6km (15.3 miles) ⓘUnnamed vermiculite prospect, Northgate Mining District, Jackson County, Colorado, USA
31.9km (19.8 miles) ⓘCaprock prospect, Pearl Mining District, Jackson County, Colorado, USA
34.8km (21.6 miles) ⓘTroutman Draw, Pearl Mining District, Jackson County, Colorado, USA
References
Loucks, Robert R. (1976) Platinum-gold-copper mineralization, central Medicine Bow Mountains, Wyoming. MSc thesis, Colorado State University, Fort Collins, Colorado, 298 pages.
 
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