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
Bennett Quarry, Buckfield, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Pyrite1
Quartz1
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Bennett Quarry, Buckfield, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:154189
Long-form Identifier:1:3:154189:2
GUID (UUID V4):0
Nearest other occurrences of Calcite
3.2km (2.0 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
9.4km (5.8 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
15.9km (9.9 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
17.0km (10.5 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
17.1km (10.6 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
17.2km (10.7 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
20.3km (12.6 miles) ⓘLaFlamme Quarry, Minot, Androscoggin County, Maine, USA
21.6km (13.4 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
22.6km (14.0 miles) ⓘPitts-Tenney Quarry, Minot, Androscoggin County, Maine, USA
26.6km (16.6 miles) ⓘBerry-Havey Quarry, Poland, Androscoggin County, Maine, USA
References
MinRec. 25(3):175-184
 
and/or  
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