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
Unnamed Occurrence (ARDF - SR057; head of Upper Carmen River), Prince William Sound Mining District, Anchorage, Alaska, USA


Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Unnamed Occurrence (ARDF - SR057; head of Upper Carmen River), Prince William Sound Mining District, Anchorage, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:594263
Long-form Identifier:1:3:594263:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
2.9km (1.8 miles) ⓘBullion; Bullion Ledge Occurrence, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
3.0km (1.9 miles) ⓘUnnamed Occurrence (ARDF - SR061; Billings Glacier), Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
3.8km (2.4 miles) ⓘHillside; Banta; Sullivan Occurrence, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
5.8km (3.6 miles) ⓘPortage Bay mine; Portage Gold mines; Portage; Viette Mine, Prince William Sound Mining District, Anchorage, Alaska, USA
8.2km (5.1 miles) ⓘUnnamed Occurrence (ARDF - SR055; Cove Creek), Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
8.4km (5.2 miles) ⓘKing; Ernest King Occurrence, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
12.9km (8.0 miles) ⓘDunklee and Reilly; Black Bear; Yellow Horse Prospect, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
15.2km (9.4 miles) ⓘTomboy Ledge Mine, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
17.8km (11.0 miles) ⓘHummer; Everson; Harris and Parker Prospect, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
18.4km (11.5 miles) ⓘUnnamed Occurrence (ARDF - SR163; near Northland Glacier), Prince William Sound Mining District, Kenai Peninsula Borough, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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