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
Robinson Mine, Concord, Somerset County, Maine, 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 Robinson Mine, Concord, Somerset County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:360286
Long-form Identifier:1:3:360286:7
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
55.5km (34.5 miles) ⓘWinslow Tin mine, Winslow, Kennebec County, Maine, USA
66.0km (41.0 miles) ⓘCatheart Mountain locality, Bradstreet, Somerset County, Maine, USA
69.3km (43.0 miles) ⓘRumford Falls, Rumford, Oxford County, Maine, USA
72.6km (45.1 miles) ⓘCarmel Antimony Mine, Carmel, Penobscot County, Maine, USA
76.1km (47.3 miles) ⓘSally Mountain prospect, Attean, Somerset County, Maine, USA
76.7km (47.7 miles) ⓘBean Mountain "Gold" mine, Milton, Oxford County, Maine, USA
77.0km (47.8 miles) ⓘKatahdin Iron Works Mine, Katahdin Iron Works, Piscataquis County, Maine, USA
79.7km (49.5 miles) ⓘDunton Gem Quarry, Newry, Oxford County, Maine, USA
79.9km (49.6 miles) ⓘScotty Quarry, Newry, Oxford County, Maine, USA
87.4km (54.3 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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