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

Locality type:Mine
Formula:Mg0.7(Mg,Fe,Al)6(Si,Al)8O20(OH)4 · 8H2O
Validity:Believed Valid
References:Jensen (1978) Minerals of New York State, pp.42-43
Mineral Data:Click here to view Vermiculite data
Locality Data:Click here to view Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
Nearest other occurrences of Vermiculite
78.5km (48.8 miles) A New York - West Shore & Buffalo RR tunnel, Weehawken, Bergen Hill, Hudson Co., New Jersey, USA
99.3km (61.7 miles) B Tyringham, Berkshire Co., Massachusetts, USA
143.8km (89.4 miles) C Martin A. Howell Quarry, Rocky Hill, Somerset Co., New Jersey, USA
144.2km (89.6 miles) D Pelham asbestos mine, Pelham, Hampshire Co., Massachusetts, USA
147.6km (91.7 miles) E Hopewell, Mercer Co., New Jersey, USA
149.4km (92.9 miles) F Moore's Station, Hopewell Township, Mercer Co., New Jersey, USA
151.2km (94.0 miles) G Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge), Easton, Northampton Co., Pennsylvania, USA
155.0km (96.3 miles) H Davis Pyrite Mine (Davis Mine; Davis Sulfur Ore Mine), Rowe, Franklin Co., Massachusetts, USA
178.9km (111.1 miles) I Millbury, Worcester Co., Massachusetts, USA
230.3km (143.1 miles) J Brinton's Quarry, West Chester, Westtown Township, Chester Co., Pennsylvania, USA
Mineral and/or Locality  
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