Vote for your favorite mineral in #MinCup26! - Cuprite vs. Halite
While externally similar shapes, these two minerals are very different inside.
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Muscovite from
Crugers Emery Mine, Montrose, Cortlandt Township, Westchester County, New York, USA


Locality type:Mine
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Crugers Emery Mine, Montrose, Cortlandt Township, Westchester County, New York, USA
Data Identifiers
Mindat Occurrence Record ID:80898
Long-form Identifier:1:3:80898:9
GUID (UUID V4):0
Nearest other occurrences of Muscovite
11.3km (7.0 miles) ⓘOssining (Sing Sing), Westchester County, New York, USA
14.5km (9.0 miles) ⓘForest of Dean Mine, Fort Montgomery, Town of Highlands, Orange County, New York, USA
17.2km (10.7 miles) ⓘPleasantville, Mount Pleasant, Westchester County, New York, USA
23.9km (14.8 miles) ⓘBedford, Westchester County, New York, USA
24.6km (15.3 miles) ⓘValhalla, Mount Pleasant, Westchester County, New York, USA
24.9km (15.5 miles) ⓘBaylis Quarry (Bayliss Quarry), Bedford, Westchester County, New York, USA
24.9km (15.5 miles) ⓘKinkel Quarry, Bedford, Westchester County, New York, USA
26.9km (16.7 miles) ⓘHobby Hill Quarry, North Castle, Westchester County, New York, USA
27.8km (17.3 miles) ⓘWhite Plains, Westchester County, New York, USA
29.3km (18.2 miles) ⓘTilly Foster Iron Mine, Town of Southeast, 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.70
 
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