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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Tourmaline from
West Point, Orange County, New York, USA


Classification
Species:'Tourmaline' (not an IMA approved species)
Formula:AD3G6(T6O18)(BO3)3X3Z
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Tourmaline data
Locality Data:Click here to view West Point, Orange County, New York, USA
Data Identifiers
Mindat Occurrence Record ID:81569
Long-form Identifier:1:3:81569:7
GUID (UUID V4):0
Nearest other occurrences of Tourmaline
9.3km (5.8 miles) ⓘCanada Mine, Canada Mines Group (Canada Iron Mines), Town of Putnam Valley, Putnam County, New York, USA
11.7km (7.2 miles) ⓘPeekskill, Westchester County, New York, USA
15.6km (9.7 miles) ⓘCrugers Emery Mine, Montrose, Cortlandt Township, Westchester County, New York, USA
16.3km (10.1 miles) ⓘMahopac Mines, Town of Carmel, Putnam County, New York, USA
26.3km (16.4 miles) ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA
32.6km (20.3 miles) ⓘSterling Mines group, Sterling Lake, Town of Warwick, Orange County, New York, USA
32.6km (20.3 miles) ⓘLake Mine, Sterling Lake, Town of Warwick, Orange County, New York, USA
33.4km (20.7 miles) ⓘBedford, Westchester County, New York, USA
37.2km (23.1 miles) ⓘHobby Hill Quarry, North Castle, Westchester County, New York, USA
37.7km (23.5 miles) ⓘRocky Hill, Orange 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.97
 
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