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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Cookeite from
Keith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA


Locality type:Quarry
Classification
Species:Cookeite
Formula:(LiAl4◻)[AlSi3O10](OH)8
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Elbaite1
Data
Mineral Data:Click here to view Cookeite data
Locality Data:Click here to view Keith Quarry (Towne Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:33450
Long-form Identifier:1:3:33450:9
GUID (UUID V4):0
Nearest other occurrences of Cookeite
0.1km (0.1 miles) ⓘPulsifer Quarry & Dionne extension, West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.2km (0.1 miles) ⓘWade Quarry (Androscoggin Tourmaline prospect), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.3km (0.2 miles) ⓘGroves Quarry (Hole in the Ground Quarry), West Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.7km (0.5 miles) ⓘTurner Quarries, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.7km (0.5 miles) ⓘHatch Farm prospect, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.8km (0.5 miles) ⓘMaine Feldspar Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
0.9km (0.6 miles) ⓘGreenlaw Quarry, East Mount Apatite Mining District, Auburn, Androscoggin County, Maine, USA
2.0km (1.2 miles) ⓘBerry-Havey Quarry, Poland, Androscoggin County, Maine, USA
15.4km (9.6 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
17.7km (11.0 miles) ⓘMount Marie Quarries, Paris, Oxford County, Maine, USA
References
USGS Bull 445
 
and/or  
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