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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Pyrite from
Charles Davis Mine, Groton, Grafton County, New Hampshire, USA


Locality type:Mine
Classification
Species:Pyrite
Formula:FeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrite data
Locality Data:Click here to view Charles Davis Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:38296
Long-form Identifier:1:3:38296:8
GUID (UUID V4):0
Nearest other occurrences of Pyrite
1.4km (0.9 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
1.4km (0.9 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
9.1km (5.7 miles) ⓘNo. 1 pit, Keyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
9.1km (5.7 miles) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
12.9km (8.0 miles) ⓘTruman Patten Quarry, Alexandria, Grafton County, New Hampshire, USA
13.6km (8.4 miles) ⓘMonarch Quarry, Alexandria, Grafton County, New Hampshire, USA
16.3km (10.1 miles) ⓘCotton prospect, Warren, Grafton County, New Hampshire, USA
16.4km (10.2 miles) ⓘBullock Quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
16.5km (10.3 miles) ⓘEastman Ledges, Orford, Grafton County, New Hampshire, USA
16.6km (10.3 miles) ⓘPattuck Quarry, Alexandria, Grafton 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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