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 - SR061; Billings Glacier), Prince William Sound Mining District, Valdez-Cordova Census Area, 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 - SR061; Billings Glacier), Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:594271
Long-form Identifier:1:3:594271:8
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
1.5km (0.9 miles) ⓘBullion; Bullion Ledge Occurrence, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
3.0km (1.9 miles) ⓘUnnamed Occurrence (ARDF - SR057; head of Upper Carmen River), Prince William Sound Mining District, Anchorage, Alaska, USA
3.1km (1.9 miles) ⓘPortage Bay mine; Portage Gold mines; Portage; Viette Mine, Prince William Sound Mining District, Anchorage, Alaska, USA
5.4km (3.4 miles) ⓘHillside; Banta; Sullivan Occurrence, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
9.0km (5.6 miles) ⓘUnnamed Occurrence (ARDF - SR055; Cove Creek), Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
10.0km (6.2 miles) ⓘDunklee and Reilly; Black Bear; Yellow Horse Prospect, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
10.1km (6.3 miles) ⓘKing; Ernest King Occurrence, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
12.3km (7.6 miles) ⓘTomboy Ledge Mine, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
15.1km (9.4 miles) ⓘHummer; Everson; Harris and Parker Prospect, Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
16.7km (10.4 miles) ⓘUnnamed Prospect (ARDF - SR165; Surprise Cove), Prince William Sound Mining District, Valdez-Cordova Census Area, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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