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Biotite from
Dunns Mountain, Rowan County, North Carolina, USA


Locality type:Mountain
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 Dunns Mountain, Rowan County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:920004
Long-form Identifier:1:3:920004:3
GUID (UUID V4):0
Nearest other occurrences of Biotite
3.4km (2.1 miles) ⓘBalfour Quarry, Rowan County, North Carolina, USA
10.1km (6.3 miles) ⓘPink Star Quarry, Rowan County, North Carolina, USA
30.4km (18.9 miles) ⓘSnyder Mine, Concord, Cabarrus County, North Carolina, USA
35.7km (22.2 miles) ⓘTalbert and Hill prospect, Randolph County, North Carolina, USA
36.5km (22.7 miles) ⓘUnnamed Au placer, Bell Branch, Iredell County, North Carolina, USA
43.1km (26.8 miles) ⓘHoover Hill Mine, Asheboro, Randolph County, North Carolina, USA
45.0km (28.0 miles) ⓘUharie Mine (Uwharrie Mine), Randolph County, North Carolina, USA
46.9km (29.2 miles) ⓘDowd Mine, Randolph County, North Carolina, USA
47.6km (29.5 miles) ⓘRush Mine, Randolph County, North Carolina, USA
49.2km (30.6 miles) ⓘSawyer Mine, Randolph County, North Carolina, USA
References
Watson, Thomas L. (1904) Granites of North Carolina: The Journal of Geology,Vol.12,No.5(Jul-Aug 1904) pp.373-407
 
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