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Prehnite from
Rockland Lake Landing, Rockland Lake, Haverstraw, Rockland Co., New York, USA

Classification
Species:Prehnite
Formula:Ca2Al2Si3O10(OH)2
Confirmation
Validity:Believed Valid
References
References:The Minerals of New York City & Its Environs, New York Mineralogical Club Bull. Vol. 3, No. 1, Manchester, J.G. (1931): 90.
Associated Minerals Based on Photo Data:
Natrolite2 photos of Prehnite associated with Natrolite at this locality.
Data
Mineral Data:Click here to view Prehnite data
Locality Data:Click here to view Rockland Lake Landing, Rockland Lake, Haverstraw, Rockland Co., New York, USA
Nearest other occurrences of Prehnite
10.7km (6.7 miles) Piermont, Orangetown, Rockland Co., New York, USA
13.9km (8.6 miles) Wesley Hills, Town of Ramapo, Rockland Co., New York, USA
18.1km (11.3 miles) Woodcliff Park (Woodcliff), Bergen Co., New Jersey, USA
29.2km (18.2 miles) Braens Quarry, Hawthorne, Passaic Co., New Jersey, USA
30.5km (19.0 miles) Prospect Park Quarry (Sowerbutt Quarry; Vandermade Quarry; Warren Brothers Quarry), Prospect Park, Passaic Co., New Jersey, USA
32.0km (19.9 miles) Hoxie's Quarry, Paterson, Passaic Co., New Jersey, USA
32.0km (19.9 miles) McKiernan & Bergin Quarry (Hawkins Quarry), Paterson, Passaic Co., New Jersey, USA
32.0km (19.9 miles) Paterson, Passaic Co., New Jersey, USA
32.0km (19.9 miles) Interstate 80 roadcut, Paterson, Passaic Co., New Jersey, USA
32.2km (20.0 miles) Interstate 95 and George Washington Bridge Lower Level roadcut, Fort Lee, Bergen Co., New Jersey, USA
 
Mineral and/or Locality  
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