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 - MH257; northeast of peak 7360), Tok 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 - MH257; northeast of peak 7360), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:593113
Long-form Identifier:1:3:593113:2
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.7km (0.4 miles) ⓘUnnamed Occurrence (ARDF - MH253; near peak 7360), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.3km (1.4 miles) ⓘUnnamed Occurrence (ARDF - MH256; north of Kimball Glacier), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.4km (1.5 miles) ⓘUnnamed Occurrence (ARDF - MH248; southwest of the head of Snowslide Creek), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
3.2km (2.0 miles) ⓘRC Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
3.6km (2.2 miles) ⓘUnnamed Occurrence (ARDF - MH249; on Rock Candy Creek), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
4.6km (2.8 miles) ⓘRC West Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
5.1km (3.2 miles) ⓘUnnamed Occurrence (ARDF - MH245; near the mouth of Rock Candy Creek), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
7.0km (4.3 miles) ⓘUnnamed Occurrence (ARDF - MH244; south side of the West Fork Robertson River valley), Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
7.8km (4.8 miles) ⓘPG West Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
8.7km (5.4 miles) ⓘPG 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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