Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Muscovite from
Sargent Mine, Claremont, Sullivan County, New Hampshire, USA


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Sargent Mine, Claremont, Sullivan County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:51927
Long-form Identifier:1:3:51927:0
GUID (UUID V4):0
Nearest other occurrences of Muscovite
2.9km (1.8 miles) ⓘChandlers Mill Quarry, Newport, Sullivan County, New Hampshire, USA
3.0km (1.9 miles) ⓘGeorge Frank Smith Quarry, Newport, Sullivan County, New Hampshire, USA
7.0km (4.4 miles) ⓘGreen Mountain, Claremont, Sullivan County, New Hampshire, USA
15.8km (9.8 miles) ⓘGraniteworks Quarry, Sunapee, Sullivan County, New Hampshire, USA
17.2km (10.7 miles) ⓘBeryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
19.2km (11.9 miles) ⓘAscutney Mountain complex, Windsor County, Vermont, USA
19.2km (11.9 miles) ⓘYuhas No. 1 Quarry, Acworth, Sullivan County, New Hampshire, USA
19.4km (12.1 miles) ⓘYuhas No. 2 Quarry, Acworth, Sullivan County, New Hampshire, USA
19.9km (12.3 miles) ⓘColony Quarry, Alstead, Cheshire County, New Hampshire, USA
20.4km (12.7 miles) ⓘProvencher 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
Smith, Arthur E. (2005) New Hampshire mineral locality index. Rocks & Minerals, 80 (4) 242-261 doi:10.3200/rmin.80.4.242-261
 
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