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
Jones Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Unconfirmed/Questioned
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Jones Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:43252
Long-form Identifier:1:3:43252:8
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.8km (0.5 miles) ⓘHercules Mine, Penobscot, Hancock County, Maine, USA
1.9km (1.2 miles) ⓘNorth Castine mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USA
2.1km (1.3 miles) ⓘEmerson Mine, Castine, Blue Hill - Castine Mining District, Hancock County, Maine, USA
2.3km (1.4 miles) ⓘPerkins mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
2.3km (1.4 miles) ⓘLimeburner prospect (Lymburner Prospect), Penobscot, Hancock County, Maine, USA
2.4km (1.5 miles) ⓘHighland Mine, Penobscot, Hancock County, Maine, USA
6.2km (3.8 miles) ⓘTapley Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
8.4km (5.2 miles) ⓘBlack Hawk Mine, Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
9.1km (5.7 miles) ⓘCape Rosier Mine (Callahan Mine; Rosier Consolidated Mine), Brooksville, Blue Hill - Castine Mining District, Hancock County, Maine, USA
10.2km (6.3 miles) ⓘOwen Mine, Blue Hill, Blue Hill - Castine Mining District, Hancock County, Maine, USA
References
Emmons, William H. (1910) Some ore deposits in Maine and the Milan mine, New Hampshire. Bulletin 432. US Geological Survey doi:10.3133/b432
 
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