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Biotite from
Monadnock Mountain, Jaffrey, Cheshire County, New Hampshire, 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 Monadnock Mountain, Jaffrey, Cheshire County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:762229
Long-form Identifier:1:3:762229:8
GUID (UUID V4):0
Nearest other occurrences of Biotite
10.3km (6.4 miles) ⓘSnow Flake Granite Quarry, Fitzwilliam, Cheshire County, New Hampshire, USA
10.8km (6.7 miles) ⓘSilver White Granite Quarry, Fitzwilliam, Cheshire County, New Hampshire, USA
12.1km (7.5 miles) ⓘWebb Granite Quarry, Fitzwilliam, Cheshire County, New Hampshire, USA
14.7km (9.2 miles) ⓘOsgood Graphite Mine, Nelson, Cheshire County, New Hampshire, USA
19.2km (11.9 miles) ⓘReynolds Mine (Beryl Hill Mine), Royalston, Worcester County, Massachusetts, USA
25.1km (15.6 miles) ⓘKirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
25.7km (16.0 miles) ⓘSouth Royalston beryl locality (Clark locality), Royalston, Worcester County, Massachusetts, USA
26.4km (16.4 miles) ⓘNichols Quarry, Gilsum, Cheshire County, New Hampshire, USA
27.0km (16.8 miles) ⓘBeauregard Mine, Alstead, Cheshire County, New Hampshire, USA
27.1km (16.8 miles) ⓘFrench Mine, Alstead, Cheshire County, New Hampshire, USA
References
Thompson, Peter J.: Geology of Mount Monadnock, New Hampshire
 
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