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Biotite from
Twin Peaks Iron Mine, Twin Peaks Mining District, Millard County, Utah, 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 Twin Peaks Iron Mine, Twin Peaks Mining District, Millard County, Utah, USA
Data Identifiers
Mindat Occurrence Record ID:185377
Long-form Identifier:1:3:185377:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
24.6km (15.3 miles) ⓘUnknown Mine (MRDS - 10010570), Antelope Springs District, Millard County, Utah, USA
33.1km (20.5 miles) ⓘRoosevelt Hot Springs, Roosevelt Hot Springs Mining District, Beaver County, Utah, USA
47.5km (29.5 miles) ⓘOK Mine (Milford Pit), Beaver Lake Mining District, Beaver County, Utah, USA
71.4km (44.4 miles) ⓘAmasa Valley, House Range, Millard County, Utah, USA
73.9km (45.9 miles) ⓘUnknown Adit Occurrence (MRDS - 10010733), Notch Peak Mining District, Millard County, Utah, USA
References
Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey
 
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