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Biotite from
Sigmon Mine, Catawba County, North Carolina, 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 Sigmon Mine, Catawba County, North Carolina, USA
Data Identifiers
Mindat Occurrence Record ID:840189
Long-form Identifier:1:3:840189:2
GUID (UUID V4):0
Nearest other occurrences of Biotite
7.7km (4.8 miles) ⓘTate Boulevard Industrial Park, Hickory, Catawba County, North Carolina, USA
8.6km (5.4 miles) ⓘMartin Marietta Quarry (Hickory Quarry), Hickory, Catawba County, North Carolina, USA
17.7km (11.0 miles) ⓘMoose Mine, Catawba County, North Carolina, USA
21.9km (13.6 miles) ⓘLenoir Quarry, Lenoir, Caldwell County, North Carolina, USA
22.0km (13.7 miles) ⓘAdams Hiddenite and Emerald Mine, Hiddenite, Alexander County, North Carolina, USA
23.1km (14.4 miles) ⓘO. F. Patterson Mine, Hiddenite, Alexander County, North Carolina, USA
23.2km (14.4 miles) ⓘAbernathy Long Cut Mine, Catawba County, North Carolina, USA
23.7km (14.7 miles) ⓘCausby Gneiss Quarry, Morganton, Caldwell County, North Carolina, USA
24.5km (15.2 miles) ⓘFloyd Brittan Mine, Burke County, North Carolina, USA
25.1km (15.6 miles) ⓘNorth American Emerald Mine, Hiddenite, Alexander County, North Carolina, USA
References
Griffitts, W.R., Olson, J.C. (1953) Mica deposits of the southeastern Piedmont, Part 7, Hartwell district, Georgia and South Carolina; Part 8, Outlying deposits in South Carolina. Professional Paper 248e. US Geological Survey doi:10.3133/pp248e
 
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