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
Dunton Gem Quarry, Newry, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Dunton Gem Quarry, Newry, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28261
Long-form Identifier:1:3:28261:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.3km (0.2 miles) ⓘScotty Quarry, Newry, Oxford County, Maine, USA
14.2km (8.8 miles) ⓘRumford Falls, Rumford, Oxford County, Maine, USA
15.6km (9.7 miles) ⓘBean Mountain "Gold" mine, Milton, Oxford County, Maine, USA
21.9km (13.6 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
26.1km (16.2 miles) ⓘBumpus Quarry, Albany, Oxford County, Maine, USA
28.0km (17.4 miles) ⓘA.C. Perham Quarry, West Paris, Oxford County, Maine, USA
29.6km (18.4 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
30.1km (18.7 miles) ⓘNubble Quarry, Greenwood, Oxford County, Maine, USA
34.2km (21.2 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
36.6km (22.8 miles) ⓘCates Hill, Berlin, Coos County, New Hampshire, USA
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
King, Vandall T. (2000) Mineralogy of Maine Vol. 2 - Mining History, Gems, and Geology. Maine Geological Survey.
 
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