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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Calcite from
Alpina prospect, St. Joe Mining District, Shoshone County, Idaho, USA


Locality type:Prospect
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Alpina prospect, St. Joe Mining District, Shoshone County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:218191
Long-form Identifier:1:3:218191:2
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.4km (0.2 miles) ⓘAlice prospect, St. Regis Mining District, Shoshone County, Idaho, USA
2.5km (1.6 miles) ⓘBig Elk Mine, St. Joe Mining District, Shoshone County, Idaho, USA
2.9km (1.8 miles) ⓘManhattan prospect, St. Regis Mining District, Shoshone County, Idaho, USA
4.2km (2.6 miles) ⓘMonitor Mine, St. Regis Mining District, Shoshone County, Idaho, USA
4.3km (2.7 miles) ⓘWampum prospect, St. Joe Mining District, Shoshone County, Idaho, USA
7.4km (4.6 miles) ⓘBullion Mine, St. Joe Mining District, Shoshone County, Idaho, USA
9.1km (5.6 miles) ⓘEagle prospect, St. Joe Mining District, Shoshone County, Idaho, USA
9.2km (5.7 miles) ⓘBlue Bird prospect (Blue Bird claim), St. Joe Mining District, Shoshone County, Idaho, USA
9.2km (5.7 miles) ⓘBlue Bird claim, St. Joe Mining District, Shoshone County, Idaho, USA
9.8km (6.1 miles) ⓘWonderful Mine, St. Joe 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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