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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Diopside from
Hustis Quarry, Town of Philipstown, Putnam County, New York, USA


Locality type:Quarry
Classification
Species:Diopside
Formula:CaMgSi2O6
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Diopside data
Locality Data:Click here to view Hustis Quarry, Town of Philipstown, Putnam County, New York, USA
Data Identifiers
Mindat Occurrence Record ID:81127
Long-form Identifier:1:3:81127:5
GUID (UUID V4):0
Nearest other occurrences of Diopside
6.4km (4.0 miles) ⓘPhilipstown, Cold Spring, Town of Philipstown, Putnam County, New York, USA
6.8km (4.2 miles) ⓘShaft 7, Delaware Aqueduct, Town of Fishkill, Dutchess County, New York, USA
9.6km (6.0 miles) ⓘWest Point, Orange County, New York, USA
12.5km (7.7 miles) ⓘCotton Rock, Cold Spring, Town of Philipstown, Putnam County, New York, USA
17.7km (11.0 miles) ⓘForest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
21.0km (13.1 miles) ⓘBrooks Hollow Dam, Bear Mountain State Park, Orange County, New York, USA
22.3km (13.9 miles) ⓘTilly Foster Iron Mine, Town of Southeast, Putnam County, New York, USA
24.1km (15.0 miles) ⓘInterstate 84 road cuts, Town of Southeast, Putnam County, New York, USA
28.6km (17.8 miles) ⓘGreenwood mine (Patterson mine), Town of Tuxedo, Orange County, New York, USA
29.6km (18.4 miles) ⓘSurebridge Mine (Sure-Bridge Mine), Town of Tuxedo, 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.78
 
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