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Hornblende from
Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York Co.), New York City, New York, USA

Classification
Species:'Hornblende' (not an IMA approved species)
Confirmation
Validity:Believed Valid
References
References:Russell, DE "The Minerals of Fort George, Manhattan"; http://www.mindat.org/article.php/477/The+Minerals+of+Fort+George%2C+Manhattan; Collection of Mr. A. Bernotas, Georgian Court University, Cabinet Specimen #339
Data
Mineral Data:Click here to view Hornblende data
Locality Data:Click here to view Fort George (192nd Street & Audubon Avenue), Washington Heights, Manhattan (New York Co.), New York City, New York, USA
Nearest other occurrences of Hornblende
13.5km (8.4 miles) New Rochelle, Westchester Co., New York, USA
16.6km (10.3 miles) Larchmont, Mamaroneck, Westchester Co., New York, USA
21.4km (13.3 miles) Harrison, Westchester Co., New York, USA
22.6km (14.0 miles) Bloomfield, Essex Co., New Jersey, USA
23.9km (14.9 miles) White Plains, Westchester Co., New York, USA
27.3km (17.0 miles) Valhalla, Mount Pleasant, Westchester Co., New York, USA
29.4km (18.2 miles) Voorhis Quarry, Greenwich, Fairfield County, Connecticut, USA
31.3km (19.4 miles) Greenwich, Fairfield County, Connecticut, USA
34.4km (21.4 miles) De Bow Mine (De Bow Place Mine; Miller Mine), Riverdale, Morris Co., New Jersey, USA
35.2km (21.9 miles) Federal Hill Granite Co. Quarry, Pompton Junction, Pompton Lakes, Passaic Co., New Jersey, USA
 
Mineral and/or Locality  
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