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. Eielson prospects (Copper Mountain prospects), Kantishna Mining District, Denali Borough, Alaska, USA


Locality type:Prospect
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. Eielson prospects (Copper Mountain prospects), Kantishna Mining District, Denali Borough, Alaska, USA
Data Identifiers
Mindat Occurrence Record ID:586199
Long-form Identifier:1:3:586199:6
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.6km (0.4 miles) ⓘCarlson; Averil Prospects, Kantishna Mining District, Denali Borough, Alaska, USA
3.6km (2.3 miles) ⓘUnnamed Prospects (ARDF - MM165; west-central tier of claims; Mt. Eielson district), Kantishna Mining District, Denali Borough, Alaska, USA
12.9km (8.0 miles) ⓘUnnamed Occurrence (ARDF - MM162; Mt. Eielson district near Crystal and Intermittent Creeks), Kantishna Mining District, Denali Borough, Alaska, USA
13.5km (8.4 miles) ⓘUnnamed Occurrence (ARDF - MM160; Mt. Eielson district west of Muldrow Glacier), Kantishna Mining District, Denali Borough, Alaska, USA
14.7km (9.2 miles) ⓘUnnamed Occurrence (ARDF - MM154; upper East Fork of Clearwater Creek), Kantishna Mining District, Denali Borough, Alaska, USA
15.3km (9.5 miles) ⓘUnnamed Occurrence (ARDF - MM155; upper East Fork of Clearwater Creek), Kantishna Mining District, Denali Borough, Alaska, USA
15.9km (9.9 miles) ⓘTwin Hills Prospect, Kantishna Mining District, Denali Borough, Alaska, USA
16.2km (10.1 miles) ⓘUnnamed Occurrence (ARDF - MM163; on a tributary to upper Pirate Creek), Kantishna Mining District, Denali Borough, Alaska, USA
29.8km (18.5 miles) ⓘUnnamed Occurrence (ARDF - MM076; east of East Fork of Glen Creek), Kantishna Mining District, Denali Borough, Alaska, USA
29.9km (18.6 miles) ⓘLloyd Prospect, Kantishna Mining District, Denali Borough, Alaska, USA
References
(2008) Alaska Resource Data File (ARDF) Open-File Report 2008-1225. US Geological Survey
 
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