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
Waisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA


Locality type:Quarry
Classification
Species:Calcite
Formula:CaCO3
Comments:Found in the Patch Mountain Member of the Sangerville Formation. Not found in the pegmatite.
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Waisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:28400
Long-form Identifier:1:3:28400:0
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.1km (0.1 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
0.8km (0.5 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
1.9km (1.2 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
6.3km (3.9 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
13.8km (8.6 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
17.0km (10.5 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
21.6km (13.4 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
29.4km (18.3 miles) ⓘRumford Falls, Rumford, Oxford County, Maine, USA
31.5km (19.5 miles) ⓘLaFlamme Quarry, Minot, Androscoggin County, Maine, USA
31.7km (19.7 miles) ⓘPitts-Tenney Quarry, Minot, Androscoggin County, Maine, USA
References
King, Vandall T., Foord, Eugene E. (1994) Mineralogy of Maine Vol. 1 - Descriptive mineralogy. Maine Geological Survey.
 
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