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
Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA


07977740017272030256077.jpg
Magnetite, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
02805160017272030264837.jpg
Magnetite, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
08279080017272030262648.jpg
Magnetite, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
07977740017272030256077.jpg
Magnetite, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
02805160017272030264837.jpg
Magnetite, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
08279080017272030262648.jpg
Magnetite, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
07977740017272030256077.jpg
Magnetite, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
04582350017272030276549.jpg
Magnetite, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
08279080017272030262648.jpg
Magnetite, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
Locality type:Mine
Classification
Species:Magnetite
Formula:Fe2+Fe23+O4
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Diopside3
Calcite3
Data
Mineral Data:Click here to view Magnetite data
Locality Data:Click here to view Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
Photo GalleryView Gallery (3 photos)
Data Identifiers
Mindat Occurrence Record ID:65498
Long-form Identifier:1:3:65498:0
GUID (UUID V4):0
Nearest other occurrences of Magnetite
0.7km (0.4 miles) ⓘRattlesnake Mine, Mine Lake, Town of Highlands, Orange County, New York, USA
2.0km (1.2 miles) ⓘWetherby Mine, Town of Highlands, Orange County, New York, USA
3.4km (2.1 miles) ⓘTower Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
4.9km (3.0 miles) ⓘBear Mountain, Bear Mountain State Park, Orange County, New York, USA
5.2km (3.2 miles) ⓘCranberry Mine, Harriman State Park, Orange County, New York, USA
5.3km (3.3 miles) ⓘOre loading dock, Fort Montgomery, Town of Highlands, Orange County, New York, USA
6.0km (3.7 miles) ⓘLewis Mine (Dunn Mine), Harriman State Park, Orange County, New York, USA
6.2km (3.8 miles) ⓘAnthony's Nose, Cortlandt Township, Westchester County, New York, USA
7.9km (4.9 miles) ⓘPhilips Mine (Philips Pyrite Mine; Anthony's Nose Pyrrhotite Mine), Town of Philipstown, Putnam County, New York, USA
8.6km (5.3 miles) ⓘWest Point, Orange County, New York, USA
References
Rocks & Min.:7:68
Clarke, John M. (1921, September) The Magnetite Iron Deposits of Southeastern New York. New York State Museum Bulletin Vol. 249-250. The University of the State of New YorkIndex Map, 100-103.
Robinson, George W., Chamberlain, Steven C. (2007) Gazetteer of Major New York State Mineral Localities. Rocks & Minerals, 82 (6) 472-483 doi:10.3200/rmin.82.6.474-483
 
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