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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Quartz from
Fitzgibbons Mine, Alstead, Cheshire County, New Hampshire, USA


Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Fitzgibbons Mine, Alstead, Cheshire County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:50998
Long-form Identifier:1:3:50998:1
GUID (UUID V4):0
Nearest other occurrences of Quartz
0.3km (0.2 miles) ⓘLyman Quarry, Alstead, Cheshire County, New Hampshire, USA
1.0km (0.6 miles) ⓘProvencher Quarry, Alstead, Cheshire County, New Hampshire, USA
2.5km (1.5 miles) ⓘAllen Quarry, Alstead, Cheshire County, New Hampshire, USA
3.1km (1.9 miles) ⓘTurner Mine, Marlow, Cheshire County, New Hampshire, USA
3.7km (2.3 miles) ⓘColony Quarry, Alstead, Cheshire County, New Hampshire, USA
4.1km (2.5 miles) ⓘDavidson Farm pegmatite, Alstead, Cheshire County, New Hampshire, USA
4.2km (2.6 miles) ⓘYuhas No. 2 Quarry, Acworth, Sullivan County, New Hampshire, USA
4.4km (2.7 miles) ⓘBeryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
4.6km (2.8 miles) ⓘYuhas No. 1 Quarry, Acworth, Sullivan County, New Hampshire, USA
4.8km (3.0 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
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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