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
Bumpus Quarry, Albany, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Cookeite
Formula:(LiAl4◻)[AlSi3O10](OH)8
Confirmation
Validity:Erroneously Reported
Data
Mineral Data:Click here to view Cookeite data
Locality Data:Click here to view Bumpus Quarry, Albany, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28933
Long-form Identifier:1:3:28933:3
GUID (UUID V4):0
Nearest other occurrences of Cookeite
4.3km (2.7 miles) ⓘSongo Pond Quarry (Kimball Ledge Quarry), Albany, Oxford County, Maine, USA
7.0km (4.3 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
11.3km (7.0 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
11.3km (7.0 miles) ⓘHayes Ledge Quarries (East and West), Greenwood, Oxford County, Maine, USA
11.4km (7.1 miles) ⓘMorgan Quarry (Morgan Pit; Upper Noyes Mountain Quarry; Upper Harvard Quarry), Greenwood, Oxford County, Maine, USA
11.4km (7.1 miles) ⓘOutback prospect (Gross prospect), Greenwood, Oxford County, Maine, USA
11.6km (7.2 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
11.7km (7.3 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
13.4km (8.3 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
17.9km (11.1 miles) ⓘSki Pike Quarry, West Paris, Oxford County, Maine, USA
References
King, Vandall - Ed. (2009) Maine Feldspar, Families, and Feuds - Oxford County Mining History. New England Historical Publications.
 
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