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

Erratic type:
Comments:Found as small white crystals, in small fine grained marble-like masses (white) as well as in large cleavages
Abundance at site:Common
Validity:Believed Valid
References:(Januzzi, 1966, 1989) (Manchester, 1931) (Trainer, 1938) (Nightingale 2001)
Mineral Data:Click here to view Magnesite data
Locality Data:Click here to view Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
Nearest other occurrences of Magnesite
57.2km (35.6 miles) A New Rochelle, Westchester Co., New York, USA
81.0km (50.3 miles) B Castle Point, Hoboken, Hudson Co., New Jersey, USA
81.2km (50.5 miles) C Stevens Bluffs, Hoboken, Hudson Co., New Jersey, USA
109.1km (67.8 miles) D Chester Emery Mines, Chester, Hampden Co., Massachusetts, USA
125.1km (77.7 miles) E Becker Quarry (Becker's Quarry), West Willington, Willington, Tolland Co., Connecticut, USA
131.2km (81.5 miles) F Windsor, Berkshire Co., Massachusetts, USA
150.8km (93.7 miles) G Sherrer Quarry (C.K. Williams & Co. Quarry; Williams Quarry), C.K. Williams Quarry complex (Williams and Company Rock Quarry), Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA
203.5km (126.4 miles) H Prince's Soapstone Quarry, Lafayette, Philadelphia Co., Pennsylvania, USA
219.3km (136.3 miles) I Carlton Quarry (Carleton Talc Mine), Chester, Windsor Co., Vermont, USA
233.4km (145.0 miles) J Ludlow, Windsor Co., Vermont, USA
245.5km (152.6 miles) K Mount Cuba serpentinite, New Castle Co., Delaware, USA
246.6km (153.2 miles) L Dickson's Quarry (Dixon's Quarry), Wilmington, New Castle Co., Delaware, USA
Mineral and/or Locality  
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