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 - MH317; headwaters of the Chistochina River), Chistochina Mining District, Southeast Fairbanks 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 - MH317; headwaters of the Chistochina River), Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:593228
Long-form Identifier:1:3:593228:3
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
4.3km (2.6 miles) ⓘSM Occurrence, Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
9.3km (5.8 miles) ⓘUnnamed Occurrence (ARDF - MH357; west of Slana River), Chistochina Mining District, Valdez-Cordova Census Area, Alaska, USA
10.4km (6.4 miles) ⓘED Occurrence, Delta River Mining District, Southeast Fairbanks Census Area, Alaska, USA
15.5km (9.7 miles) ⓘChisna Prospect, Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
15.7km (9.7 miles) ⓘUnnamed Occurrence (ARDF - MH299; near peak 5850 south of Chisna Pass), Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
16.2km (10.1 miles) ⓘNorthland Mines Prospect, Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
16.4km (10.2 miles) ⓘUnnamed Occurrence (ARDF - MH256; north of Kimball Glacier), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
17.1km (10.6 miles) ⓘLZ Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
17.2km (10.7 miles) ⓘMiller Gulch Mine, Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
17.5km (10.8 miles) ⓘDDX Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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