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Opal-AN from
Southbury, New Haven Co., Connecticut, USA

Classification
Species:Opal var: Opal-AN
Formula:SiO2 · nH2O
Comments:On basalt, apparently from weathering.
Habit:botryoidal coating
Confirmation
Validity:Believed Valid
References
References:Brace, John P. (1823), Miscellaneous Localities of Minerals. American Journal of Science: s.1, 6: 250-1.; Shepard, Charles U. (1837), A Report on the Geological Survey of Connecticut. Hamlen, New Haven.
Data
Mineral Data:Click here to view Opal-AN data
Locality Data:Click here to view Southbury, New Haven Co., Connecticut, USA
Localities for Opal-AN in this Region
Curtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven Co., Connecticut, USA
Nearest other occurrences of Opal-AN
4.7km (2.9 miles) Nonnewaug River Industrial Park, Woodbury, Litchfield Co., Connecticut, USA
5.1km (3.2 miles) Curtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven Co., Connecticut, USA
13.5km (8.4 miles) Sky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA
14.0km (8.7 miles) Roxbury Iron Mine (Shepaug Iron Company Mine; Shepaug Spathic Iron and Steel Company Mine), Mine Hill (Ore Hill), Roxbury, Litchfield Co., Connecticut, USA
15.3km (9.5 miles) U. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
18.2km (11.3 miles) Biermann Quarries (Bethel quarries) and tourmaline ledge, Bethel, Fairfield County, Connecticut, USA
18.9km (11.7 miles) Blue Stone Quarry, Waterbury, New Haven Co., Connecticut, USA
21.4km (13.3 miles) Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
21.5km (13.3 miles) North Street mall, Danbury, Fairfield County, Connecticut, USA
21.6km (13.4 miles) Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
 
Mineral and/or Locality  
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