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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Adularia from
No. 2 shaft, Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA


Locality type:Shaft
Classification
Species:K Feldspar var: Adularia
Formula:KAlSi3O8
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Adularia data
Locality Data:Click here to view No. 2 shaft, Centennial Mine, Centennial Heights, Calumet Township, Houghton County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:475499
Long-form Identifier:1:3:475499:2
GUID (UUID V4):0
Nearest other occurrences of Adularia
1.8km (1.1 miles) ⓘWolverine No. 2 shaft, Wolverine Mine, Wolverine, Calumet Township, Houghton County, Michigan, USA
2.0km (1.3 miles) ⓘTamarack Junior Mine (Tamarack Jr. Mine), Centennial Heights, Calumet Township, Houghton County, Michigan, USA
3.6km (2.2 miles) ⓘTamarack, Osceola Township, Houghton County, Michigan, USA
3.7km (2.3 miles) ⓘAllouez Mine, Allouez, Allouez Township, Keweenaw County, Michigan, USA
3.7km (2.3 miles) ⓘNo. 21 shaft, Calumet & Hecla Mine, Calumet, Calumet Township, Houghton County, Michigan, USA
4.9km (3.1 miles) ⓘNo. 4 shaft, Osceola Mine, Osceola, Calumet Township, Houghton County, Michigan, USA
5.1km (3.2 miles) ⓘLaurium Mine, Osceola Township, Houghton County, Michigan, USA
15.3km (9.5 miles) ⓘCliff Mine, Allouez Township, Keweenaw County, Michigan, USA
18.5km (11.5 miles) ⓘPhoenix Mine, Phoenix, Houghton Township, Keweenaw County, Michigan, USA
19.2km (11.9 miles) ⓘLake Superior Mine (Old Phoenix Fissure), Phoenix, Houghton Township, Keweenaw County, Michigan, USA
References
Rosemeyer, Tom (2007) The Kearsarge: Copper-bearing Amygdaloidal Lode. Houghton and Keweenaw Counties, Michigan. Rocks & Minerals, 82 (4) 276-297 doi:10.3200/rmin.82.4.276-297
 
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