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
Mt. Aspid Occurrence, Aleutians Mining District, Aleutians West 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 Mt. Aspid Occurrence, Aleutians Mining District, Aleutians West Census Area, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:586192
Long-form Identifier:1:3:586192:7
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
31.4km (19.5 miles) ⓘPumicestone Bay Prospect, Aleutians Mining District, Aleutians West Census Area, Alaska, USA
36.9km (22.9 miles) ⓘUnnamed Occurrence (ARDF - UN028), Aleutians West Census Area, Alaska, USA
42.1km (26.2 miles) ⓘUnnamed Occurrence (ARDF - UN021), Aleutians Mining District, Aleutians West Census Area, Alaska, USA
44.0km (27.3 miles) ⓘUnnamed Occurrence (ARDF - UN025), Aleutians Mining District, Aleutians West Census Area, Alaska, USA
56.5km (35.1 miles) ⓘWind prospect, Steeple Mountain Prospect, Aleutian Islands Mining District, Aleutians West Census Area, Alaska, USA
58.2km (36.1 miles) ⓘUnnamed Occurrence (ARDF - UK012; west-northwest of Kettle Cape), Aleutian Islands Mining District, Aleutians West Census Area, Alaska, USA
59.4km (36.9 miles) ⓘFog prospect, Steeple Mountain Prospect, Aleutian Islands Mining District, Aleutians West Census Area, Alaska, USA
61.3km (38.1 miles) ⓘRain prospect, Steeple Mountain Prospect, Aleutian Islands Mining District, Aleutians West Census Area, Alaska, USA
67.7km (42.0 miles) ⓘUnnamed Prospect (ARDF - UK001; on Cape Kigunak), Aleutian Islands Mining District, Aleutians West Census Area, Alaska, USA
72.9km (45.3 miles) ⓘBeaver Inlet, Amugul Bay, Tanaskan Bay Occurrence, Aleutians Mining District, Aleutians West Census Area, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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