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
Turner Quarries, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA


Locality type:Quarry
Classification
Species:Microcline
Formula:K(AlSi3O8)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz2
Elbaite2
Albite1
Data
Mineral Data:Click here to view Microcline data
Locality Data:Click here to view Turner Quarries, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:31368
Long-form Identifier:1:3:31368:5
GUID (UUID V4):0
Nearest other occurrences of Microcline
0.1km (0.1 miles) ⓘHatch Farm prospect, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.3km (0.2 miles) ⓘSmith Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.3km (0.2 miles) ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.3km (0.2 miles) ⓘLittlefield Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.5km (0.3 miles) ⓘGreenlaw Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.7km (0.5 miles) ⓘKeith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.8km (0.5 miles) ⓘPulsifer Quarry & Dionne extension, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.9km (0.6 miles) ⓘWade Quarry (Androscoggin Tourmaline prospect), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
1.0km (0.6 miles) ⓘGroves Quarry (Hole in the Ground Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
1.1km (0.7 miles) ⓘEmery prospect, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
References
USGS Bull 445
Thompson, Woodrow B., Joyner, Ronald L., Woodman, Raymond G., King, Vandall T. (1998) Bulletin (41), A Collector's Guide to Maine Mineral Localities (3rd ed.) Maine Geological Survey
 
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