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
Cook Mine, Upper Macopin, West Milford Township, Passaic 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 Cook Mine, Upper Macopin, West Milford Township, Passaic County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:71707
Long-form Identifier:1:3:71707:6
GUID (UUID V4):0
Nearest other occurrences of Magnetite
4.6km (2.8 miles) ⓘHouse Mine, Clinton Reservoir (Buckabear Pond), West Milford Township, Passaic County, New Jersey, USA
4.6km (2.9 miles) ⓘRutherford Mines, Cedar Pond, Clinton, West Milford Township, Passaic County, New Jersey, USA
4.6km (2.9 miles) ⓘWallace Mine, Uttertown, West Milford Township, Passaic County, New Jersey, USA
4.6km (2.9 miles) ⓘSigler Mine, Uttertown, West Milford Township, Passaic County, New Jersey, USA
5.4km (3.4 miles) ⓘVreeland Mine, Kanouse Mountain, West Milford Township, Passaic County, New Jersey, USA
6.8km (4.2 miles) ⓘStonetown, Ringwood, Passaic County, New Jersey, USA
6.9km (4.3 miles) ⓘClinton Furnace tract, West Milford Township, Passaic County, New Jersey, USA
7.0km (4.3 miles) ⓘUtter Mine, Uttertown, West Milford Township, Passaic County, New Jersey, USA
7.0km (4.3 miles) ⓘTellington Mine, Ringwood, Passaic County, New Jersey, USA
7.0km (4.3 miles) ⓘRhein Smith farm explorations, Stonetown, Ringwood, Passaic County, New Jersey, USA
References
Bayley, William S. (1910) Final Report of the State Geologist Vol. 7 - Iron Mines and Mining in N.J. Geological Survey of New Jersey. p.459
 
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