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


Locality type:Prospect
Classification
Species:Siderite
Formula:FeCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Siderite data
Locality Data:Click here to view Alpina prospect, St. Joe Mining District, Shoshone County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:218192
Long-form Identifier:1:3:218192:9
GUID (UUID V4):0
Nearest other occurrences of Siderite
0.4km (0.2 miles) ⓘAlice prospect, St. Regis Mining District, Shoshone County, Idaho, USA
1.0km (0.6 miles) ⓘBald Mountain occurrence, St. Joe 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
3.8km (2.4 miles) ⓘRichmond Mine, St. Joe 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
4.8km (3.0 miles) ⓘCopper Edge property, St. Regis Mining District, Shoshone County, Idaho, USA
5.8km (3.6 miles) ⓘSwitchback Prospect, St. Regis Mining District (Deer Creek Mining District; Ward Mining District), Mineral County, Montana, USA
6.0km (3.7 miles) ⓘAgnes Property, Denemora Mining District (Big Elk Mining District), Mineral County, Montana, 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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