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Chalcedony from
Ridgefield, Fairfield County, Connecticut, USA

Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Comments:Included in a list of minerals with no supporting details or specific localities.
Confirmation
Validity:Unconfirmed/Questioned
References
References:Januzzi, Ronald E. (1976): Mineral Localities of Connecticut and Southeastern New York State. The Mineralogical Press, Danbury.
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Ridgefield, Fairfield County, Connecticut, USA
Nearest other occurrences of Chalcedony
32.5km (20.2 miles) Southbury, New Haven Co., Connecticut, USA
32.8km (20.4 miles) Bates' Rock Road, Southbury, New Haven Co., Connecticut, USA
33.1km (20.6 miles) Ossining (Sing Sing), Westchester Co., New York, USA
35.0km (21.7 miles) O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA
38.3km (23.8 miles) Orenaug Hills, Woodbury, Litchfield Co., Connecticut, USA
38.4km (23.9 miles) O & G Woodbury Quarry (Orenaug Quarry; O & G No. 1 Quarry), Orenaug Hills, Woodbury, Litchfield Co., Connecticut, USA
47.5km (29.5 miles) New Rochelle, Westchester Co., New York, USA
47.9km (29.7 miles) Watertown, Litchfield Co., Connecticut, USA
50.5km (31.4 miles) Wesley Hills, Town of Ramapo, Rockland Co., New York, USA
52.3km (32.5 miles) East Haven, New Haven Co., Connecticut, USA
 
Mineral and/or Locality  
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