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Biotite from
Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA


Locality type:Quarry
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 Kirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:51150
Long-form Identifier:1:3:51150:6
GUID (UUID V4):0
Nearest other occurrences of Biotite
1.3km (0.8 miles) ⓘNichols Quarry, Gilsum, Cheshire County, New Hampshire, USA
2.0km (1.2 miles) ⓘBeauregard Mine, Alstead, Cheshire County, New Hampshire, USA
2.2km (1.4 miles) ⓘFrench Mine, Alstead, Cheshire County, New Hampshire, USA
2.3km (1.5 miles) ⓘIsland Mine, Alstead, Cheshire County, New Hampshire, USA
2.4km (1.5 miles) ⓘBlister Mine, Alstead, Cheshire County, New Hampshire, USA
2.5km (1.6 miles) ⓘBurroughs beryl prospect, Alstead, Cheshire County, New Hampshire, USA
3.7km (2.3 miles) ⓘBig Mine, Alstead, Cheshire County, New Hampshire, USA
5.0km (3.1 miles) ⓘBritton Quarry, Alstead, Cheshire County, New Hampshire, USA
10.1km (6.3 miles) ⓘFitzgibbons Mine, Alstead, Cheshire County, New Hampshire, USA
10.2km (6.3 miles) ⓘGeorge Porter Quarry, Alstead, Cheshire County, New Hampshire, USA
References
Cameron, Eugene N., Larrabee, David M., McNair, Andrew H., Page, James J., Stewart, Glen W., Shainin, Vincent E. (1954) Pegmatite Investigations, 1942-45, in New England. Geological Survey Professional Paper 255. US Geological Survey doi:10.3133/pp255
 
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