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Sillimanite from
Interstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA

Locality type:Road Cutting
Classification
Species:Sillimanite
Formula:Al2(SiO4)O
Confirmation
Validity:Believed Valid
References
References:Rocks & Minerals (1995) 70:396-409
Data
Mineral Data:Click here to view Sillimanite data
Locality Data:Click here to view Interstate 84 road cuts (Route 6A bypass), Newtown, Fairfield County, Connecticut, USA
Nearest other occurrences of Sillimanite
9.4km (5.9 miles) U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
16.2km (10.1 miles) Redding Glen (Redding Ridge), Redding (Reading), Fairfield County, Connecticut, USA
23.0km (14.3 miles) Ridgefield, Fairfield County, Connecticut, USA
27.6km (17.2 miles) State Route 8 exit 37, Watertown, Litchfield Co., Connecticut, USA
36.2km (22.5 miles) Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield Co., Connecticut, USA
45.3km (28.1 miles) Yorktown, Westchester Co., New York, USA
51.0km (31.7 miles) Hungry Hill, Guilford, New Haven Co., Connecticut, USA
54.5km (33.8 miles) Peekskill, Westchester Co., New York, USA
55.7km (34.6 miles) Crugers Emery Mine, Montrose, Cortlandt Township, Westchester Co., New York, USA
61.1km (38.0 miles) Unnamed building stone quarry, Collins Hill, Portland, Middlesex Co., Connecticut, USA
 
Mineral and/or Locality  
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