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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Schorl from
Allen Quarry, Alstead, Cheshire County, New Hampshire, USA


Locality type:Quarry
Classification
Species:Schorl
Formula:NaFe32+Al6(Si6O18)(BO3)3(OH)3(OH)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Schorl data
Locality Data:Click here to view Allen Quarry, Alstead, Cheshire County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:50559
Long-form Identifier:1:3:50559:6
GUID (UUID V4):0
Nearest other occurrences of Schorl
1.4km (0.9 miles) ⓘColony Quarry, Alstead, Cheshire County, New Hampshire, USA
1.9km (1.2 miles) ⓘProvencher Quarry, Alstead, Cheshire County, New Hampshire, USA
2.0km (1.3 miles) ⓘYuhas No. 2 Quarry, Acworth, Sullivan County, New Hampshire, USA
2.4km (1.5 miles) ⓘYuhas No. 1 Quarry, Acworth, Sullivan County, New Hampshire, USA
2.5km (1.5 miles) ⓘFitzgibbons Mine, Alstead, Cheshire County, New Hampshire, USA
2.6km (1.6 miles) ⓘLyman Quarry, Alstead, Cheshire County, New Hampshire, USA
2.8km (1.8 miles) ⓘTurner Mine, Marlow, Cheshire County, New Hampshire, USA
2.9km (1.8 miles) ⓘGeorge Porter Quarry, Alstead, Cheshire County, New Hampshire, USA
3.7km (2.3 miles) ⓘBeryl Mountain Quarry, South Acworth, Acworth, Sullivan County, New Hampshire, USA
3.8km (2.4 miles) ⓘDavidson Farm pegmatite, 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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