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Sericite from
Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA

Locality type:Mine
Classification
Species:Muscovite var: Sericite
Formula:KAl2(AlSi3O10)(OH)2
Confirmation
Validity:Believed Valid
References
References:AmMin 6:88-90 (1921)
Data
Mineral Data:Click here to view Sericite data
Locality Data:Click here to view Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
Nearest other occurrences of Sericite
45.1km (28.0 miles) Thomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield Co., Connecticut, USA
64.0km (39.8 miles) Westerly, Washington Co., Rhode Island, USA
71.8km (44.6 miles) U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
80.0km (49.7 miles) Ware, Hampshire Co., Massachusetts, USA
80.3km (49.9 miles) Coventry, Kent Co., Rhode Island, USA
85.7km (53.3 miles) Ridgefield, Fairfield County, Connecticut, USA
88.2km (54.8 miles) Tuckahoe and Patterson Marble Company Quarry, Patterson, Putnam Co., New York, USA
92.3km (57.4 miles) New Canaan, Fairfield County, Connecticut, USA
98.2km (61.0 miles) Jamestown, Newport Co., Rhode Island, USA
 
Mineral and/or Locality  
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