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
Trio West Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA


Locality type:Occurrence
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Trio West Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:590909
Long-form Identifier:1:3:590909:4
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.7km (0.4 miles) ⓘTrio Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
1.1km (0.7 miles) ⓘSC East; Super Cub East Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
1.8km (1.1 miles) ⓘDW East Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.1km (1.3 miles) ⓘLP Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.2km (1.4 miles) ⓘLPH Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.2km (1.4 miles) ⓘNunatak Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.3km (1.4 miles) ⓘLPH South Occurrence, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.5km (1.5 miles) ⓘMID Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.6km (1.6 miles) ⓘDW Prospect, Tok Mining District, Southeast Fairbanks Census Area, Alaska, USA
2.7km (1.7 miles) ⓘPP2 Prospect, 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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