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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Epidote from
Old Mass Mine, Mass City, Ontonagon County, Michigan, USA


Locality type:Mine
Classification
Species:Epidote
Formula:(CaCa)(AlAlFe3+)O[Si2O7][SiO4](OH)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Native Copper2
Data
Mineral Data:Click here to view Epidote data
Locality Data:Click here to view Old Mass Mine, Mass City, Ontonagon County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:399718
Long-form Identifier:1:3:399718:5
GUID (UUID V4):0
Nearest other occurrences of Epidote
0.9km (0.5 miles) ⓘCaledonia Mine, Mass City, Ontonagon County, Michigan, USA
1.2km (0.7 miles) ⓘEvergreen Series (Evergreen Lodes), Ontonagon County, Michigan, USA
1.2km (0.7 miles) ⓘEvergreen Bluff Mine, Mass City, Ontonagon County, Michigan, USA
1.2km (0.7 miles) ⓘNebraska Mine, Mass City, Ontonagon County, Michigan, USA
1.4km (0.9 miles) ⓘMass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA
1.4km (0.9 miles) ⓘMass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA
1.6km (1.0 miles) ⓘRidge Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA
2.5km (1.5 miles) ⓘFlintsteel River Mine, Ontonagon County, Michigan, USA
3.0km (1.9 miles) ⓘFlintsteel Mine, Mass City, Ontonagon County, Michigan, USA
3.0km (1.9 miles) ⓘAdventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
References
(2005) Mineral Resources Data System (MRDS), US Geological Survey.
 
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