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
Henderson Mine, Ironia (Calais), Randolph 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 Henderson Mine, Ironia (Calais), Randolph Township, Morris County, New Jersey, USA
Data Identifiers
Mindat Occurrence Record ID:72082
Long-form Identifier:1:3:72082:1
GUID (UUID V4):0
Nearest other occurrences of Magnetite
0.0km (0.0 miles) ⓘCombs Mine, Ironia (Calais), Randolph Township, Morris County, New Jersey, USA
1.9km (1.2 miles) ⓘThorp Mine, Mendham Township, Morris County, New Jersey, USA
2.3km (1.4 miles) ⓘDaniel Horton Mine (Horton Mine), Randolph Township, Morris County, New Jersey, USA
2.3km (1.4 miles) ⓘVan Doren exploration, Mount Freedom, Randolph Township, Morris County, New Jersey, USA
2.3km (1.4 miles) ⓘSkellinger Mine, Mendham Township, Morris County, New Jersey, USA
2.3km (1.5 miles) ⓘGeorge Mine (Logan Mine), Ironia (Calais), Randolph Township, Morris County, New Jersey, USA
2.8km (1.7 miles) ⓘChester Mine (George shaft), Horton's Station, Chester Township, Morris County, New Jersey, USA
2.8km (1.7 miles) ⓘBarnes Mine, Chester Township, Morris County, New Jersey, USA
2.8km (1.7 miles) ⓘBeemer Mine, Chester Township, Morris County, New Jersey, USA
2.9km (1.8 miles) ⓘDavid Horton Mine, Mount Freedom, Randolph Township, Morris County, New Jersey, USA
References
The Iron Mines of NJ (1910), Bayley:444.
 
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