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
Menlo Park Copper Mine (Edison Mine), Menlo Park neighborhood, Edison, Middlesex 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 Menlo Park Copper Mine (Edison Mine), Menlo Park neighborhood, Edison, Middlesex County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:72786
Long-form Identifier:1:3:72786:0
GUID (UUID V4):0
Nearest other occurrences of Magnetite
14.2km (8.8 miles) ⓘRaritan River, Piscataway Township, Middlesex County, New Jersey, USA
14.5km (9.0 miles) ⓘStirling Brook ("Carnelian Creek"), Warren Township, Somerset County, New Jersey, USA
25.6km (15.9 miles) ⓘBernardsville Mines, Bernardsville, Somerset County, New Jersey, USA
27.6km (17.2 miles) ⓘGriggstown Mine (Franklin Mine), Griggstown, Franklin Township, Somerset County, New Jersey, USA
27.8km (17.3 miles) ⓘJanes Mine, Mine Mountain, Bernardsville, Somerset County, New Jersey, USA
29.0km (18.0 miles) ⓘNorth Branch, Branchburg Township, Somerset County, New Jersey, USA
29.7km (18.5 miles) ⓘPennsylvania Railroad cut, Mt Pleasant, Bergen Hill, Jersey City, Hudson County, New Jersey, USA
30.0km (18.7 miles) ⓘBeers Mine (Beers exploration), Hanover Township, Morris County, New Jersey, USA
30.4km (18.9 miles) ⓘLaurel Hill, Secaucus, Hudson County, New Jersey, USA
31.9km (19.8 miles) ⓘLewis Mine (Herrick Mine), Mendham Township, Morris County, New Jersey, USA
References
NJ State Geol. Ann. Rpt. (1906):154.
 
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