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
McCormick quarry (Pierce Field), East Providence, Providence County, Rhode Island, 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 McCormick quarry (Pierce Field), East Providence, Providence County, Rhode Island, USA
Data Identifiers
Mindat Occurrence Record ID:165704
Long-form Identifier:1:3:165704:3
GUID (UUID V4):0
Nearest other occurrences of Calcite
3.3km (2.0 miles) ⓘIde's Ledge quarry, East Providence, Providence County, Rhode Island, USA
6.8km (4.2 miles) ⓘManton Avenue Quarry, Manton, Providence, Providence County, Rhode Island, USA
10.1km (6.3 miles) ⓘHarris Quarry (Harris Lime Quarries), Lime Rock, Lincoln, Providence County, Rhode Island, USA
10.9km (6.8 miles) ⓘInterstate 295 / US Route 6 road cuts, Johnston, Providence County, Rhode Island, USA
12.8km (8.0 miles) ⓘDexter Quarry (Dexter Lime Quarry), Lime Rock, Lincoln, Providence County, Rhode Island, USA
13.8km (8.6 miles) ⓘLynch Quarry, Berkeley, Cumberland, Providence County, Rhode Island, USA
14.2km (8.8 miles) ⓘConklin Quarry, Lime Rock, Lincoln, Providence County, Rhode Island, USA
19.6km (12.2 miles) ⓘCumberland Hill, Cumberland, Providence County, Rhode Island, USA
20.0km (12.4 miles) ⓘDiamond Hill Reservoir, Diamond Hill, Cumberland, Providence County, Rhode Island, USA
20.6km (12.8 miles) ⓘManville Quarry, Cumberland, Providence County, Rhode Island, USA
References
 
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