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


Locality type:Mine
Classification
Species:Pyrrhotite
Formula:Fe1-xS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Pyrrhotite data
Locality Data:Click here to view Friday Mine, Coeur d' Alene Mining District, Shoshone County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:218673
Long-form Identifier:1:3:218673:3
GUID (UUID V4):0
Nearest other occurrences of Pyrrhotite
0.0km (0.0 miles) ⓘFour Square Mine, 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
4.7km (2.9 miles) ⓘMother Lode Mine (Yosemite Mine), Ophir Mountain, Summit Mining District, Shoshone County, Idaho, USA
4.7km (2.9 miles) ⓘMother Lode Mine, Summit Mining District, Shoshone County, Idaho, USA
4.7km (2.9 miles) ⓘOccident Mine, Summit Mining District, Shoshone County, Idaho, USA
4.7km (2.9 miles) ⓘTreasure Box 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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