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


05079580017398042674889.jpg
Feldspar Group, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
05079580017398042674889.jpg
Feldspar Group, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
04309130017398042682924.jpg
Feldspar Group, etc.

Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
Locality type:Mine
Classification
Species:'Feldspar Group' (not an IMA approved species)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Camptonite1
Data
Mineral Data:Click here to view Feldspar Group data
Locality Data:Click here to view Forest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
Data Identifiers
Mindat Occurrence Record ID:83109
Long-form Identifier:1:3:83109:3
GUID (UUID V4):0
Nearest other occurrences of Feldspar Group
5.2km (3.2 miles) ⓘCranberry Mine, Harriman State Park, Orange County, New York, USA
6.0km (3.7 miles) ⓘCentral Valley, Town of Woodbury, Orange County, New York, USA
6.3km (3.9 miles) ⓘBeechy Bottom Mine, Harriman State Park, Rockland County, New York, USA
8.6km (5.3 miles) ⓘWest Point, Orange County, New York, USA
11.0km (6.9 miles) ⓘGreenwood mine (Patterson mine), Town of Tuxedo, Orange County, New York, USA
11.1km (6.9 miles) ⓘMount Taurus Quarry, Town of Philipstown, Putnam County, New York, USA
11.4km (7.1 miles) ⓘHasenclever Mine, Harriman State Park, Rockland County, New York, USA
11.5km (7.1 miles) ⓘNickel Mine (Bulson lot), Grape Swamp Mountain, Harriman State Park, Rockland County, New York, USA
14.0km (8.7 miles) ⓘCroft Mine, Oscawana Corners, Town of Putnam Valley, Putnam County, New York, USA
22.0km (13.7 miles) ⓘAugusta Mine, Southfields, Town of Tuxedo, Orange County, New York, USA
References
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, 103.
 
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