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Gypsum from
Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA

Locality type:Park
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Comments:Forming drusy crusts of radiating aggregates in sheltered ledges at the upper mine shaft. Formed from the reaction of weathered sulfides in the amphibolite with the marble.
Habit:prismatic
Colour:colorless to white, grey
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Common
Confirmation
Validity:Confirmed
Confirmation Methods:Visually Identified
References
References:Januzzi, Ronald E. (1994): Mineral Data Book - Western Connecticut and Environs. Mineralogical Press, Danbury, Connecticut.; Ronald Januzzi collection
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
Photo GalleryView Gallery (2 photos)
Nearest other occurrences of Gypsum
0.4km (0.2 miles) Old Mine Plaza construction site, Long Hill, Trumbull, Fairfield County, Connecticut, USA
0.7km (0.4 miles) State Route 111 road cuts, Long Hill, Trumbull, Fairfield County, Connecticut, USA
18.9km (11.7 miles) Sky Ridge railroad cut, Hawleyville, Newtown, Fairfield County, Connecticut, USA
19.2km (11.9 miles) Barrett Brothers Quarry (D and J Quarry), Beacon Falls, New Haven Co., Connecticut, USA
21.8km (13.6 miles) Agstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA
22.7km (14.1 miles) Ridgefield, Fairfield County, Connecticut, USA
25.0km (15.5 miles) O & G Southbury Quarry (Silliman Quarry; O & G No. 2 Quarry), Southbury, New Haven Co., Connecticut, USA
25.0km (15.6 miles) Green's Farm locality (Roxbury garnet mine; Roxbury Falls garnet mine; Garnet Hill), Roxbury, Litchfield Co., Connecticut, USA
30.3km (18.8 miles) Cinque Quarry, East Haven, New Haven Co., Connecticut, USA
34.2km (21.2 miles) Interstate 84 road cuts, Brewster, Southeast Township, Putnam Co., New York, USA
 
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