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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Magnetite from
Harden Mine, Chester Township, Morris County, New Jersey, USA


Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Harden Mine, Chester Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:72069
Long-form Identifier:1:3:72069:0
GUID (UUID V4):0
Nearest other occurrences of Magnetite
0.0km (0.0 miles) ⓘHacklebarney Mine, Hacklebarney, Chester Township, Morris County, New Jersey, USA
1.9km (1.2 miles) ⓘQuimby Mine, Chester Township, Morris County, New Jersey, USA
1.9km (1.2 miles) ⓘTiger Mine, Chester Township, Morris County, New Jersey, USA
2.3km (1.4 miles) ⓘChild Mine, Hacklebarney, Chester Township, Morris County, New Jersey, USA
2.8km (1.7 miles) ⓘWoodhull Mine, Chester Township, Morris County, New Jersey, USA
2.8km (1.7 miles) ⓘLangdon Mine, Hacklebarney, Chester Township, Morris County, New Jersey, USA
2.8km (1.7 miles) ⓘPitney Mine, Hacklebarney, Chester Township, Morris County, New Jersey, USA
3.1km (1.9 miles) ⓘGulick Farm Mines, Chester Township, Morris County, New Jersey, USA
3.1km (1.9 miles) ⓘPeach Orchard Mine (Creagar Mine), Chester Township, Morris County, New Jersey, USA
3.4km (2.1 miles) ⓘGulick Mine, Hacklebarney, Chester Township, Morris County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1873):32.
The Iron Mines of NJ (1910), Bayley:467.
 
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