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
Dunderberg Mine, Stony Point (Woodbury), Rockland County, New York, 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 Dunderberg Mine, Stony Point (Woodbury), Rockland County, New York, USA
Data Identifiers
Mindat Occurrence Record ID:80977
Long-form Identifier:1:3:80977:5
GUID (UUID V4):0
Nearest other occurrences of Magnetite
4.3km (2.7 miles) ⓘCrugers Emery Mine, Montrose, Cortlandt Township, Westchester County, New York, USA
6.5km (4.1 miles) ⓘSeptember Mine, Peekskill, Westchester County, New York, USA
6.9km (4.3 miles) ⓘDe Luca Mine (McCoy Mine), Peekskill, Westchester County, New York, USA
6.9km (4.3 miles) ⓘPeekskill, Westchester County, New York, USA
8.2km (5.1 miles) ⓘChristie Mine, Haverstraw, Rockland County, New York, USA
8.5km (5.3 miles) ⓘBear Mountain, Bear Mountain State Park, Orange County, New York, USA
8.6km (5.3 miles) ⓘDiRubbo Emery Quarry, Cortlandt Township, Westchester County, New York, USA
8.7km (5.4 miles) ⓘAnthony's Nose, Cortlandt Township, Westchester County, New York, USA
9.0km (5.6 miles) ⓘStrang Emery Pit, Toddville, Cortlandt Township, Westchester County, New York, USA
9.5km (5.9 miles) ⓘHasenclever Mine, Harriman State Park, Rockland County, New York, USA
References
Manchester, James G. (1931) The Minerals of New York City and its Environs. Bulletin of the New York Mineralogical Club Vol. 3 (1). New York Mineralogical Clubp.71
 
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