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Muscovite from
Naugatuck, New Haven Co., Connecticut, USA

Locality type:Town
Classification
Species:Muscovite
Formula:KAl2(AlSi3O10)(OH)2
Formation:Secondary
Comments:Very fine-grained kyanite and muscovite pseudomorphing andalusite crystals to 9 cm. Found in a glacially transported rock near State Routes 8 and 63 (Interchange 26), the in-situ source rock is unknown. These pseudomorphs are rare and unusual, E. S. Dana reported similar pseudomorphs at the kyanite locality in Washington, Connecticut (aka, Judd's Bridge).
Quality for species:Poor for species, only of interest for locality collectors. (#)
Significance:Unusual or interesting association, relationships with other species, pseudomorphism etc. - see notes.
Abundance at site:Very Rare
Confirmation
Validity:Believed Valid
References
References:Anthony Scalzi collection
Data
Mineral Data:Click here to view Muscovite data
Locality Data:Click here to view Naugatuck, New Haven Co., Connecticut, USA
Nearest other occurrences of Muscovite
8.2km (5.1 miles) Barrett Brothers Quarry (D and J Quarry), Beacon Falls, New Haven Co., Connecticut, USA
9.8km (6.1 miles) East Main Street construction site, Waterbury, New Haven Co., Connecticut, USA
10.1km (6.3 miles) Interstate 84 interchange 26, Cheshire, New Haven Co., Connecticut, USA
10.7km (6.6 miles) Arsenic and nickel mine (Nickel Mine Brook), Seymour, New Haven Co., Connecticut, USA
11.0km (6.8 miles) Curtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven Co., Connecticut, USA
11.9km (7.4 miles) Blue Stone Quarry, Waterbury, New Haven Co., Connecticut, USA
12.3km (7.6 miles) State Route 8 exit 37, Watertown, Litchfield Co., Connecticut, USA
12.6km (7.8 miles) Nonnewaug River Industrial Park, Woodbury, Litchfield Co., Connecticut, USA
15.8km (9.8 miles) Woodbury pegmatite quarry, Woodbury, Litchfield Co., Connecticut, USA
17.2km (10.7 miles) Waterbury Road quarry, Thomaston, Litchfield Co., Connecticut, USA
 
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