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
Constitution Island, Hudson River, Town of Philipstown, Putnam County, New York, USA


Locality type:Island
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 Constitution Island, Hudson River, Town of Philipstown, Putnam County, New York, USA
Data Identifiers
Mindat Occurrence Record ID:80816
Long-form Identifier:1:3:80816:5
GUID (UUID V4):0
Nearest other occurrences of Magnetite
1.6km (1.0 miles) ⓘWest Point, Orange County, New York, USA
1.9km (1.2 miles) ⓘPhilipstown, Cold Spring, Town of Philipstown, Putnam County, New York, USA
3.7km (2.3 miles) ⓘSmith Mine, Town of Cornwall, Orange County, New York, USA
5.1km (3.2 miles) ⓘCanopus Mine, Travis Corners, Town of Philipstown, Putnam County, New York, USA
6.3km (3.9 miles) ⓘTower Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
7.0km (4.3 miles) ⓘCroft Mine, Oscawana Corners, Town of Putnam Valley, Putnam County, New York, USA
7.2km (4.5 miles) ⓘCroft Mine (Croft Magnetic Iron Mine), Peekskill, Westchester County, New York, USA
7.8km (4.8 miles) ⓘTodd Mine, Peekskill, Westchester County, New York, USA
8.8km (5.5 miles) ⓘHamilton Mine, Canada Mines Group (Canada Iron Mines), Town of Putnam Valley, Putnam County, New York, USA
8.8km (5.5 miles) ⓘStewart Mine, Canada Mines Group (Canada Iron Mines), Town of Putnam Valley, Putnam 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.69
 
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