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

Classification
Species:Fluorite
Comments:First noted by Bridenbaugh in 1873, fluorite from Tilly Foster was described in 1874 by J. D. Dana as occuring "pink, massive, and occasionally in amethystine cubes" (p. 374). It is also found in purple, white and yellow small crystals; the author has noted small spherical aggregates of fluorite in the Trainer Collection of the New York State Museum. Occasionally fluorite is slickensided.
Found with crocidolite as pale green octahedral micro crystals in cavities in feldspar.
Habit:octahedral, cubic, nearly spherical complexly formed
Colour:purple, white, yellow, pink
Confirmation
Validity:Believed Valid
References
References:(Bridenbaugh, 1873) (Dana, 1874) (Januzzi, 1966, 1989) (Manchester, 1931) (Trainer, 1938, 1941) (Whitlock, 1903) (Nightingale 2001)
Data
Mineral Data:Click here to view Fluorite data
Locality Data:Click here to view Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
Nearest other occurrences of Fluorite
22.2km (13.8 miles) A Shaft 7, Delaware Aqueduct, Fishkill Township, Dutchess Co., New York, USA
24.1km (15.0 miles) B Fillow Quarry (Branchville Quarry; Branchville Mica Mine; Smith Mine), Branchville, Redding (Reading), Fairfield Co., Connecticut, USA
25.9km (16.1 miles) C Mount Taurus quarry (Mt Taurus quarry; Bull Hill quarry; Verplanck quarry), Cold Spring, Town of Philipstown, Putnam Co., New York, USA
31.1km (19.4 miles) D Rockside Quarry (Mine Hill Quarry), Mine Hill (Ore Hill), Roxbury, Litchfield Co., Connecticut, USA
31.9km (19.8 miles) E Bear Mountain, Bear Mountain State Park, Orange Co., New York, USA
34.3km (21.3 miles) F New England Materials quarry, Monroe, Fairfield Co., Connecticut, USA
37.4km (23.3 miles) G State Route 111 road cuts, Long Hill, Trumbull, Fairfield Co., Connecticut, USA
37.6km (23.4 miles) H Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield Co., Connecticut, USA
37.9km (23.6 miles) I Corporate Drive road cut, Long Hill, Trumbull, Fairfield Co., Connecticut, USA
38.0km (23.6 miles) J 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
39.3km (24.4 miles) K Porter Hill Road roadcut, Long Hill, Trumbull, Fairfield Co., Connecticut, USA
39.4km (24.5 miles) L Valhalla, Mount Pleasant, Westchester Co., New York, USA
40.3km (25.0 miles) M O & G Woodbury Quarry (Orenaug Quarry; O & G No. 1 Quarry), Orenaug Hills, Woodbury, Litchfield Co., Connecticut, USA
40.8km (25.4 miles) N State Route 25 road cuts, Trumbull, Fairfield Co., Connecticut, USA
43.3km (26.9 miles) O Dyke Park, Stamford, Fairfield Co., Connecticut, USA
57.6km (35.8 miles) P Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield Co., Connecticut, USA
63.8km (39.6 miles) Q Jinny Hill Mine (Cheshire Barite Mine), Cheshire, New Haven Co., Connecticut, USA
65.5km (40.7 miles) R Edenville, Town of Warwick, Orange Co., New York, USA
67.6km (42.0 miles) S Rhein property, Amity, Town of Warwick, Orange Co., New York, USA
69.2km (43.0 miles) T Amity, Town of Warwick, Orange Co., New York, USA
70.6km (43.8 miles) U Atlas Quarry (Empire Quarry), Pine Island, Town of Warwick, Orange Co., New York, USA
76.1km (47.3 miles) V Reed's Gap Quarry (New Haven Trap Rock quarry; Tilcon Durham quarry), Durham, Middlesex Co., Connecticut, USA
78.7km (48.9 miles) W McAfee Quarry, McAfee, Vernon Township, Sussex Co., New Jersey, USA
80.8km (50.2 miles) X Edison-Bodnar Quarries, Rudeville, Hardyston Township, Sussex Co., New Jersey, USA
81.0km (50.3 miles) Y Sheldon Quarry, Rudeville, Hardyston Township, Sussex Co., New Jersey, USA
81.8km (50.8 miles) Z Windsor Quarry (Winsor Quarry), Rudeville, Hardyston Township, Sussex Co., New Jersey, USA
82.3km (51.1 miles) 0 Atlas Quarry (The Quarry), Hardistonville, Hamburg, Sussex Co., New Jersey, USA
84.8km (52.7 miles) 1 Munson Marble Quarry, Franklin Borough, Sussex Co., New Jersey, USA
84.8km (52.7 miles) 2 Mill site dump, Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
85.1km (52.9 miles) 3 Trotter Mine (Lehigh Mine), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
85.2km (52.9 miles) 4 Taylor Road dumps, Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
85.2km (53.0 miles) 5 Buckwheat pit (Southwest opening; Buckwheat Mine), Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
85.3km (53.0 miles) 6 Taylor Mine, Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
85.3km (53.0 miles) 7 46 Main Street, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
85.3km (53.0 miles) 8 Franklin Iron Company Quarry (Pistol Range Quarry; Rifle Range Quarry), Franklin Marble, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
85.5km (53.1 miles) 9 Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Franklin Mining District, Sussex Co., New Jersey, USA
Mineral and/or Locality  
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