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
Hurdtown Apatite Mine, Hurdtown, Jefferson Township, Morris 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 Hurdtown Apatite Mine, Hurdtown, Jefferson Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:72161
Long-form Identifier:1:3:72161:7
GUID (UUID V4):0
Nearest other occurrences of Calcite
5.5km (3.4 miles) ⓘMount Hope Mines (Mt Hope Mines), Mount Hope, Rockaway Township, Morris County, New Jersey, USA
5.7km (3.6 miles) ⓘMt Pleasant, Rockaway Township, Morris County, New Jersey, USA
6.0km (3.7 miles) ⓘRichard Mine, Rockaway Township, Morris County, New Jersey, USA
7.5km (4.7 miles) ⓘMt Pleasant Mine, Rockaway Township, Morris County, New Jersey, USA
7.7km (4.8 miles) ⓘBeach Mine, Rockaway Township, Morris County, New Jersey, USA
7.9km (4.9 miles) ⓘHibernia Mine, Hibernia, Rockaway Township, Morris County, New Jersey, USA
8.6km (5.3 miles) ⓘScrub Oaks Mine, Mine Hill, Morris County, New Jersey, USA
9.6km (6.0 miles) ⓘRoseville Mine, Roseville, Byram Township, Sussex County, New Jersey, USA
9.8km (6.1 miles) ⓘBaker Mine, Mine Hill, Morris County, New Jersey, USA
10.2km (6.3 miles) ⓘSwede's Mine (Sweed's Mine), Rockaway Township, Morris County, New Jersey, USA
References
State NJ Bull. #50:192.
NJ State Geol. Ann. Rpt. (1856):166
The Iron Mines of NJ (1910), Bayley:332
 
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