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
Rumford Falls, Rumford, Oxford County, Maine, USA


Locality type:Waterfall
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Rumford Falls, Rumford, Oxford County, Maine, USA
Data Identifiers
Mindat Occurrence Record ID:33848
Long-form Identifier:1:3:33848:0
GUID (UUID V4):0
Nearest other occurrences of Calcite
24.6km (15.3 miles) ⓘPaper Mill Excavation, Jay, Franklin County, Maine, USA
26.8km (16.7 miles) ⓘEmmons Quarry, Uncle Tom Mountain, Greenwood, Oxford County, Maine, USA
27.7km (17.2 miles) ⓘRyerson Hill Quarries, Paris, Oxford County, Maine, USA
28.8km (17.9 miles) ⓘNoyes Mountain Quarry (Harvard Quarry), Greenwood, Oxford County, Maine, USA
28.9km (17.9 miles) ⓘBennett Quarry, Buckfield, Oxford County, Maine, USA
29.4km (18.3 miles) ⓘWaisanen Quarry (Tamminen-Waisanen Quarry), Greenwood, Oxford County, Maine, USA
29.5km (18.3 miles) ⓘTamminen Quarry, Greenwood, Oxford County, Maine, USA
30.5km (19.0 miles) ⓘB.B. No. 7 Quarry, Norway, Oxford County, Maine, USA
38.2km (23.8 miles) ⓘMount Rubellite Quarries, Mount Rubellite, Hebron, Oxford County, Maine, USA
49.1km (30.5 miles) ⓘLaFlamme Quarry, Minot, Androscoggin County, Maine, USA
References
 
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