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Plagioclase from
Osgood Graphite Mine, Nelson, Cheshire County, New Hampshire, USA


Locality type:Mine
Classification
Species:'Plagioclase' (not an IMA approved species)
Formula:(Na,Ca)[(Si,Al)AlSi2]O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Plagioclase data
Locality Data:Click here to view Osgood Graphite Mine, Nelson, Cheshire County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:804752
Long-form Identifier:1:3:804752:6
GUID (UUID V4):0
Nearest other occurrences of Plagioclase
13.0km (8.1 miles) ⓘKirk No. 1 Quarry, Gilsum, Cheshire County, New Hampshire, USA
13.3km (8.2 miles) ⓘWhite Quarry, Gilsum, Cheshire County, New Hampshire, USA
14.5km (9.0 miles) ⓘKirk No. 2 Quarry, Gilsum, Cheshire County, New Hampshire, USA
14.7km (9.2 miles) ⓘMonadnock Mountain, Jaffrey, Cheshire County, New Hampshire, USA
15.4km (9.6 miles) ⓘNichols Quarry, Gilsum, Cheshire County, New Hampshire, USA
15.7km (9.7 miles) ⓘBlister Mine, Alstead, Cheshire County, New Hampshire, USA
15.8km (9.8 miles) ⓘFrench Mine, Alstead, Cheshire County, New Hampshire, USA
16.0km (9.9 miles) ⓘBurroughs beryl prospect, Alstead, Cheshire County, New Hampshire, USA
16.5km (10.3 miles) ⓘBig Mine, Alstead, Cheshire County, New Hampshire, USA
17.6km (11.0 miles) ⓘBritton Quarry, Alstead, Cheshire County, New Hampshire, USA
References
Rumble, D, and Chamberlain, C. P. (1988). "Graphite Vein Deposits of New Hampshire" in Guidebook for field trips in southwestern New Hampshire, southeastern Vermont, and north-central Massachusetts New England Intercollegiate Geological Conference, 80th annual meeting, October 14, 15 and 16, 1988
 
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