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
Longcore Mine (Longcove Mine), Clearwater, Andover Township, Sussex County, New Jersey, USA


Locality type:Mine
Classification
Species:Calcite
Formula:CaCO3
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Calcite data
Locality Data:Click here to view Longcore Mine (Longcove Mine), Clearwater, Andover Township, Sussex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:72719
Long-form Identifier:1:3:72719:8
GUID (UUID V4):0
Nearest other occurrences of Calcite
0.2km (0.2 miles) ⓘTar Hill Mine, Andover Township, Sussex County, New Jersey, USA
1.2km (0.8 miles) ⓘSulphur Hill Mine (Sulfur Hill Mine), Andover Township, Sussex County, New Jersey, USA
1.5km (1.0 miles) ⓘAndover Iron Mine, Andover Township, Sussex County, New Jersey, USA
4.7km (2.9 miles) ⓘO'Donnel and Mc Maniman's Quarry, Newton, Sussex County, New Jersey, USA
5.4km (3.3 miles) ⓘRoseville Mine, Roseville, Byram Township, Sussex County, New Jersey, USA
5.7km (3.5 miles) ⓘLime Crest Quarry, Sparta Township, Sussex County, New Jersey, USA
8.2km (5.1 miles) ⓘByram Crushed Stone Quarry (Tilcon Byram Quarry), Byram Township, Sussex County, New Jersey, USA
9.7km (6.0 miles) ⓘGlendon Mine (Chapin Mine), Allamuchy Mountain, Waterloo, Byram Township, Sussex County, New Jersey, USA
10.3km (6.4 miles) ⓘLockwood, Byram Township, Sussex County, New Jersey, USA
10.8km (6.7 miles) ⓘCascade Mine (Smith Mine), Stanhope, Sussex County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1856):148-149.
The Iron Mines of NJ (1910), Bayley: 224.
 
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