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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Sphalerite from
Chief No. 1 Mine (Chief Consolidated Mine), Eureka, Juab County, Utah, USA


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Chief No. 1 Mine (Chief Consolidated Mine), Eureka, Juab County, Utah, USA
Data Identifiers
Mindat Occurrence Record ID:185046
Long-form Identifier:1:3:185046:8
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
0.4km (0.3 miles) ⓘEureka Hill Mine, Eureka, Juab County, Utah, USA
0.6km (0.4 miles) ⓘBullion Beck Mine (Champion), Eureka, Juab County, Utah, USA
0.6km (0.4 miles) ⓘGemini Mine, Eureka, Juab County, Utah, USA
0.8km (0.5 miles) ⓘCentennial Eureka Mine, Eureka, Juab County, Utah, USA
1.2km (0.8 miles) ⓘChief No. 2 shaft (Chief Consolidated Mine), Knightville, East Tintic Mountains, Utah, USA
1.4km (0.9 miles) ⓘMay Day Mine, Knightville, East Tintic Mountains, Utah, USA
1.8km (1.1 miles) ⓘDagmar shaft occurrence (North Western group), Eureka, Juab County, Utah, USA
2.1km (1.3 miles) ⓘMammoth Mine, Mammoth, Tintic Mining District, East Tintic Mountains, Utah, USA
2.5km (1.6 miles) ⓘShaft No. 1, Colorado Mine, East Tintic Mining District, Utah County, Utah, USA
2.6km (1.6 miles) ⓘLower Mammoth Mine, Mammoth, Tintic Mining District, East Tintic Mountains, Utah, USA
References
Bullock, Kenneth C. (1981) Minerals and mineral localities of Utah. Bulletin 117. Utah Geological and Mineral Survey
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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