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


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Charles Davis Mine, Groton, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:50378
Long-form Identifier:1:3:50378:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
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) ⓘKeyes Mica Quarries, Orange, Grafton County, New Hampshire, USA
16.6km (10.3 miles) ⓘPattuck Quarry, Alexandria, Grafton County, New Hampshire, USA
27.7km (17.2 miles) ⓘThetford Lead Mine, Thetford, Orange County, Vermont, USA
29.8km (18.5 miles) ⓘWoodstock Silver Mine, Woodstock, Grafton County, New Hampshire, USA
29.9km (18.6 miles) ⓘThetford, Orange County, Vermont, USA
36.6km (22.8 miles) ⓘElizabeth Mine, South Strafford, Strafford, Orange County, Vermont, USA
37.2km (23.1 miles) ⓘEly Mine, South Vershire, Vershire, Orange County, Vermont, USA
47.2km (29.4 miles) ⓘPike Hill Mines, Corinth, Orange County, Vermont, USA
References
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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