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
Friday Mine, Coeur d' Alene Mining District, Shoshone County, Idaho, USA


Locality type:Mine
Classification
Species:Chalcopyrite
Formula:CuFeS2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcopyrite data
Locality Data:Click here to view Friday Mine, Coeur d' Alene Mining District, Shoshone County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:218671
Long-form Identifier:1:3:218671:9
GUID (UUID V4):0
Nearest other occurrences of Chalcopyrite
0.0km (0.0 miles) ⓘFour Square Mine, Shoshone County, Idaho, USA
0.4km (0.2 miles) ⓘKing Mine, Summit Mining District, Shoshone County, Idaho, USA
0.9km (0.6 miles) ⓘJenkins prospect, Shoshone County, Idaho, USA
1.3km (0.8 miles) ⓘGold Coin Mine, Summit Mining District, Shoshone County, Idaho, USA
2.1km (1.3 miles) ⓘWakeup Jim Mine, Summit Mining District, Shoshone County, Idaho, USA
2.3km (1.4 miles) ⓘBuckeye Boy Mine, Summit Mining District, Shoshone County, Idaho, USA
2.8km (1.8 miles) ⓘTiger Prospect, Summit Mining District, Shoshone County, Idaho, USA
4.0km (2.5 miles) ⓘBuckskin Gold and Silver prospect, Summit Mining District, Shoshone County, Idaho, USA
4.0km (2.5 miles) ⓘPilot Mine, Summit Mining District, Shoshone County, Idaho, USA
4.0km (2.5 miles) ⓘGold Back Mine, Summit Mining District, Shoshone County, Idaho, USA
References
Umpleby, Joseph B.; Jones, E. L. Jr. (1923) Geology and ore deposits of Shoshone County, Idaho. Bulletin 732. US Geological Survey doi:10.3133/b732
 
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