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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Anhydrite from
Cliff Mine, Allouez Township, Keweenaw County, Michigan, USA


Locality type:Mine
Classification
Species:Anhydrite
Formula:CaSO4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Anhydrite data
Locality Data:Click here to view Cliff Mine, Allouez Township, Keweenaw County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:256228
Long-form Identifier:1:3:256228:5
GUID (UUID V4):0
Nearest other occurrences of Anhydrite
36.2km (22.5 miles) ⓘHuron Mine (Houghton Mine), Houghton, Houghton County, Michigan, USA
36.6km (22.7 miles) ⓘIsle Royal Mines, Portage Township, Houghton County, Michigan, USA
36.6km (22.8 miles) ⓘIsle Royal No. 4 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
37.1km (23.1 miles) ⓘIsle Royal No. 5 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
37.7km (23.4 miles) ⓘIsle Royal No. 6 shaft, Isle Royal Mines, Portage Township, Houghton County, Michigan, USA
89.9km (55.9 miles) ⓘMass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA
99.3km (61.7 miles) ⓘChampion Mine, Champion, Champion Township, Marquette County, Michigan, USA
References
Heinrich, E. W., Robinson, George Willard (2004) Mineralogy of Michigan (2nd ed.) A.E. Seaman Mineral Museum and Michigan Technological University. 252pp.
 
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