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
Milan Mine, Milan, Coos 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 Milan Mine, Milan, Coos County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:50350
Long-form Identifier:1:3:50350:7
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
8.9km (5.6 miles) ⓘCates Hill, Berlin, Coos County, New Hampshire, USA
19.4km (12.0 miles) ⓘMascot Mine, Gorham, Coos County, New Hampshire, USA
42.1km (26.2 miles) ⓘScotty Quarry, Newry, Oxford County, Maine, USA
42.4km (26.4 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
44.7km (27.8 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
47.0km (29.2 miles) ⓘJackson tin mines, Jackson, Carroll County, New Hampshire, USA
47.2km (29.3 miles) ⓘBumpus Quarry, Albany, Oxford County, Maine, USA
56.3km (35.0 miles) ⓘBean Mountain "Gold" mine, Milton, Oxford County, Maine, USA
56.4km (35.0 miles) ⓘSaunders Mica Quarry, Waterford, Oxford County, Maine, USA
56.6km (35.2 miles) ⓘRumford Falls, Rumford, Oxford County, Maine, USA
References
The geology of the Ammonoosuc mining district By Charles Henry Hitchcock
Emmons, William H. (1910) Some ore deposits in Maine and the Milan mine, New Hampshire. Bulletin 432. US Geological Survey doi:10.3133/b432
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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