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
Gray Eagle Mine (Bachelor Mountain Mine), Yankee Fork Mining District, Custer County, Idaho, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Gray Eagle Mine (Bachelor Mountain Mine), Yankee Fork Mining District, Custer County, Idaho, USA
Data Identifiers
Mindat Occurrence Record ID:447487
Long-form Identifier:1:3:447487:6
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.9km (0.6 miles) ⓘBadger Mine, Yankee Fork Mining District, Custer County, Idaho, USA
1.7km (1.1 miles) ⓘContinental Mine, Yankee Fork Mining District, Custer County, Idaho, USA
1.9km (1.2 miles) ⓘBlack Mine (Oxarna Gold Mining Company Property), Yankee Fork Mining District, Custer County, Idaho, USA
1.9km (1.2 miles) ⓘMcClure Prospect, Yankee Fork Mining District, Custer County, Idaho, USA
2.2km (1.4 miles) ⓘIdaho Prospect (Idaho-Custer; Enterprise), Yankee Fork Mining District, Custer County, Idaho, USA
2.4km (1.5 miles) ⓘLucky Boy Mine, Yankee Fork Mining District, Custer County, Idaho, USA
2.6km (1.6 miles) ⓘLong View Mine (Longview; Casey), Yankee Fork Mining District, Custer County, Idaho, USA
3.1km (1.9 miles) ⓘYellow Bird Prospect, Yankee Fork Mining District, Custer County, Idaho, USA
6.1km (3.8 miles) ⓘJulietta Mine, Yankee Fork Mining District, Custer County, Idaho, USA
7.0km (4.3 miles) ⓘMorrison Mine (George Washington Mine), Yankee Fork Mining District, Custer County, Idaho, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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