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 - MH291; east of 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 - MH291; east of Chistochina River), Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:593191
Long-form Identifier:1:3:593191:0
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
4.2km (2.6 miles) ⓘUnnamed Occurrence (ARDF - MH315; west of Powell Gulch northeast of peak 5950), Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
4.9km (3.0 miles) ⓘNorthland Mines Prospect, Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
5.6km (3.5 miles) ⓘUnnamed Occurrence (ARDF - MH289; near the mouth of Slate Creek), Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
5.7km (3.5 miles) ⓘUnnamed Occurrence (ARDF - MH299; near peak 5850 south of Chisna Pass), Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
6.1km (3.8 miles) ⓘChisna Prospect, Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
6.9km (4.3 miles) ⓘMiller Gulch Mine, Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
7.2km (4.4 miles) ⓘUnnamed Prospect (ARDF - MH273; near terminus of glacier at head of West Fork Chistochina River), Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
7.3km (4.5 miles) ⓘUnnamed Occurrence (ARDF - MH294; northeast of Slate Creek), Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
7.5km (4.7 miles) ⓘUnnamed Occurrence (ARDF - MH271; near the glacier at the head of the West Fork Chistochina River), Chistochina Mining District, Southeast Fairbanks Census Area, Alaska, USA
7.8km (4.9 miles) ⓘUnnamed Occurrence (ARDF - MH287; west of the terminus of Chistochina Glacier), Chistochina 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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