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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Microcline from
Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA


Locality type:Mine
Classification
Species:Microcline
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Epidote2
Quartz2
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Mass Mine, Mass Consolidated Mine, Mass City, Ontonagon County, Michigan, USA
Data Identifiers
Mindat Occurrence Record ID:94906
Long-form Identifier:1:3:94906:4
GUID (UUID V4):0
Nearest other occurrences of Microcline
0.3km (0.2 miles) ⓘEvergreen Bluff Mine, Mass City, Ontonagon County, Michigan, USA
0.3km (0.2 miles) ⓘEvergreen Series (Evergreen Lodes), Ontonagon County, Michigan, USA
1.6km (1.0 miles) ⓘAdventure mine, Greenland, Greenland Township, Ontonagon County, Michigan, USA
2.3km (1.4 miles) ⓘCaledonia Mine, Mass City, Ontonagon County, Michigan, USA
2.6km (1.6 miles) ⓘNebraska Mine, Mass City, Ontonagon County, Michigan, USA
5.2km (3.3 miles) ⓘBumblebee Mine, Rockland, Ontonagon County, Michigan, USA
6.0km (3.7 miles) ⓘMichigan Mine, Rockland, Ontonagon County, Michigan, USA
34.4km (21.4 miles) ⓘWhite Pine Mine, White Pine, Ontonagon County, Michigan, USA
44.5km (27.7 miles) ⓘUnnamed pegmatite, Gogebic County, Michigan, USA
49.5km (30.8 miles) ⓘMarenisco Feldspar Exposure Prospect, Gogebic County, Michigan, USA
References
Rosemeyer, T. (1990) Through the Scope: Microminerals of the Caledonia Mine Ontonagon County, Michigan. Rocks & Minerals: 65(3): 240.
Morris, Tom (1983) Michigan Mineralogy. A locality Index. Rocks & Minerals, 58 (3). 107-113 doi:10.1080/00357529.1983.11767128p.112
 
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