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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Arsenopyrite from
Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA


06289870017272035345700.jpg
Arsenopyrite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
04329350017272014339401.jpg
Arsenopyrite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
06289870017272035345700.jpg
Arsenopyrite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
04329350017272014339401.jpg
Arsenopyrite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
06289870017272035345700.jpg
Arsenopyrite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
04329350017272014339401.jpg
Arsenopyrite

Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Palermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:249591
Long-form Identifier:1:3:249591:0
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
0.3km (0.2 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
1.4km (0.9 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
5.1km (3.2 miles) ⓘFletcher Mine, Groton, Grafton County, New Hampshire, USA
15.3km (9.5 miles) ⓘBullock Quarry, E.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
15.4km (9.6 miles) ⓘPattuck Quarry, Alexandria, Grafton County, New Hampshire, USA
15.4km (9.6 miles) ⓘE.E. Smith Mine, Alexandria, Grafton County, New Hampshire, USA
33.6km (20.9 miles) ⓘWest Fairlee, Orange County, Vermont, USA
36.5km (22.7 miles) ⓘElizabeth Mine, South Strafford, Strafford, Orange County, Vermont, USA
37.4km (23.3 miles) ⓘEly Mine, South Vershire, Vershire, Orange County, Vermont, USA
45.5km (28.3 miles) ⓘTilton Sand & Gravel Quarry, Belmont, Belknap County, New Hampshire, USA
References
Segeler, Curt G., Kampf, Anthony R., Ulrich, William, Whitmore, Robert W. (1981) Phosphate Minerals of the: Palermo No.1 Pegmatite. Rocks & Minerals, 56 (5) 197-214 doi:10.1080/00357529.1981.11764597
 
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