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Hornblende from
Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA

Classification
Species:'Hornblende' (not an IMA apprroved species)
Comments:Occurs in large black and green cleavable masses. Small crystals up to 2 cm. are uncommon; also found in fibrous and acicular crystals
Habit:cleavable masses
Colour:black, green
Quality for species:Rock forming mineral/non-crystalline/little interest for collectors.(##)
Abundance at site:Common
Confirmation
Validity:Believed Valid
References
References:Jensen (1978) Minerals of New York State, 42-43
(Dana, J. D., 1874) (Januzzi, 1966, 1989) (Trainer, 1938).
Associated Minerals Based on Photo Data:
Magnetite2 photos of Hornblende associated with Magnetite at this locality.
Data
Mineral Data:Click here to view Hornblende data
Locality Data:Click here to view Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
Nearest other occurrences of Hornblende
4.6km (2.9 miles) A Interstate 84 road cuts, Brewster, Southeast Township, Putnam Co., New York, USA
9.1km (5.7 miles) B Mahopac Mines (Hill Mine; German Flats Mine), Carmel, Putnam Co., New York, USA
16.2km (10.1 miles) C North Street mall, Danbury, Fairfield Co., Connecticut, USA
16.5km (10.2 miles) D Danbury, Fairfield Co., Connecticut, USA
19.6km (12.2 miles) E Croft Mine, Oscawana Corners, Town of Putnam Valley, Putnam Co., New York, USA
19.6km (12.2 miles) F Ridgefield, Fairfield Co., Connecticut, USA
19.8km (12.3 miles) G Agstone Company Limestone Quarry, Danbury, Fairfield Co., Connecticut, USA
21.6km (13.4 miles) H U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield Co., Connecticut, USA
22.2km (13.8 miles) I Shaft 7, Delaware Aqueduct, Fishkill Township, Dutchess Co., New York, USA
23.6km (14.7 miles) J Bedford, Westchester Co., New York, USA
24.1km (15.0 miles) K Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA
29.6km (18.4 miles) L Ore loading dock, Fort Montgomery, Orange Co., New York, USA
32.0km (19.9 miles) M Long Pond, Village of Monroe, Town of Monroe, Orange Co., New York, USA
32.8km (20.4 miles) N Weston, Fairfield Co., Connecticut, USA
36.8km (22.8 miles) O Haverstraw, Rockland Co., New York, USA
37.4km (23.3 miles) P State Route 111 road cuts, Long Hill, Trumbull, Fairfield Co., Connecticut, USA
38.0km (23.6 miles) Q Old Mine Park (Lane’s Mine of Trumbull; Lane's New Stratford mine; Hubbard Mine; Long Hill Mine; Old Tungsten Mine), Long Hill, Trumbull, Fairfield Co., Connecticut, USA
38.3km (23.8 miles) R Stony Point (Woodbury), Rockland Co., New York, USA
38.3km (23.8 miles) S Twin Lakes, Woodbury, Orange Co., New York, USA
39.4km (24.5 miles) T Valhalla, Mount Pleasant, Westchester Co., New York, USA
43.4km (27.0 miles) U Greenwich, Fairfield Co., Connecticut, USA
43.6km (27.1 miles) V White Plains, Westchester Co., New York, USA
45.2km (28.1 miles) W Voorhis Quarry, Greenwich, Fairfield Co., Connecticut, USA
45.5km (28.3 miles) X VIllage of Monroe, Town of Monroe, Orange Co., New York, USA
48.0km (29.8 miles) Y Barrett Brothers Quarry (D and J Quarry), Beacon Falls, New Haven Co., Connecticut, USA
48.2km (29.9 miles) Z Mount Prospect complex (Prospect Hill complex; Prospect Mountain complex), Litchfield, Litchfield Co., Connecticut, USA
50.3km (31.3 miles) 0 Harrison, Westchester Co., New York, USA
53.1km (33.0 miles) 1 Augusta Mine, Southfields, Town of Tuxedo, Orange Co., New York, USA
55.0km (34.2 miles) 2 Larchmont, Mamaroneck, Westchester Co., New York, USA
56.0km (34.8 miles) 3 Lake Mine, Sterling Lake, Town of Warwick, Orange Co., New York, USA
56.2km (34.9 miles) 4 Upper California Mine, Sterling Mines group, Sterling Lake, Town of Warwick, Orange Co., New York, USA
57.2km (35.6 miles) 5 New Rochelle, Westchester Co., New York, USA
57.6km (35.8 miles) 6 Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield Co., Connecticut, USA
58.9km (36.6 miles) 7 East Main Street construction site, Waterbury, New Haven Co., Connecticut, USA
63.8km (39.6 miles) 8 Board feldspar deposit, Monks, Passaic Co., New Jersey, USA
65.3km (40.6 miles) 9 Stonetown, Ringwood, Passaic Co., New Jersey, USA
Mineral and/or Locality  
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