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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Calcite from
Pitts-Tenney Quarry, Minot, Androscoggin County, Maine, USA


Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Pitts-Tenney Quarry, Minot, Androscoggin County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28734
Long-form Identifier:1:3:28734:4
GUID (UUID V4):0
Nearest other occurrences of Calcite
3.9km (2.4 miles) ⓘLaFlamme Quarry, Minot, Androscoggin County, Maine, USA
4.3km (2.7 miles) ⓘBerry-Havey Quarry, Poland, Androscoggin County, Maine, USA
9.9km (6.1 miles) ⓘCity quarry, Lewiston, Androscoggin County, Maine, USA
12.6km (7.8 miles) ⓘAlfred Plourde Parkway Quarry, Lewiston, Androscoggin County, Maine, USA
13.2km (8.2 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
16.0km (9.9 miles) ⓘHeath Quarry, Casco, Cumberland County, Maine, USA
16.4km (10.2 miles) ⓘRobinson Mountain, Lewiston, Androscoggin County, Maine, USA
20.3km (12.6 miles) ⓘCamp Hinds locality, Raymond, Cumberland County, Maine, USA
22.6km (14.0 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
24.1km (15.0 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
References
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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