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
Coppermine Brook Mine, Franconia, 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 Coppermine Brook Mine, Franconia, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:52644
Long-form Identifier:1:3:52644:7
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
45.4km (28.2 miles) ⓘBlue Mountain, Albany, Carroll County, New Hampshire, USA
46.9km (29.1 miles) ⓘFletcher Mine, Groton, Grafton County, New Hampshire, USA
47.0km (29.2 miles) ⓘJackson tin mines, Jackson, Carroll County, New Hampshire, USA
47.3km (29.4 miles) ⓘCharles Davis Mine, Groton, Grafton County, New Hampshire, USA
48.1km (29.9 miles) ⓘWest Fairlee, Orange County, Vermont, USA
48.7km (30.3 miles) ⓘPalermo No. 1 Mine, Groton, Grafton County, New Hampshire, USA
48.7km (30.3 miles) ⓘPalermo No. 2 Mine, Groton, Grafton County, New Hampshire, USA
51.0km (31.7 miles) ⓘEly Mine, South Vershire, Vershire, Orange County, Vermont, USA
51.8km (32.2 miles) ⓘMascot Mine, Gorham, Coos County, New Hampshire, USA
55.0km (34.2 miles) ⓘRedstone "Red Granite" quarry, Redstone, Conway, Carroll County, New Hampshire, USA
References
 
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