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Gypsum from
Interstate 290/Interstate 495 interchange road cuts, Marlborough, Middlesex Co., Massachusetts, USA

Locality type:Road Cutting
Classification
Species:Gypsum
Formula:CaSO4 · 2H2O
Confirmation
Validity:Believed Valid
References
References:Garza, Steve (1980): Routes 495 and 290, Marlborough, Massachusetts (Boston Mineral Club Newsletter Dec., 1980).
Data
Mineral Data:Click here to view Gypsum data
Locality Data:Click here to view Interstate 290/Interstate 495 interchange road cuts, Marlborough, Middlesex Co., Massachusetts, USA
Nearest other occurrences of Gypsum
42.0km (26.1 miles) Sneech Pond copper mines (Copper Mine Hill), Cumberland, Providence Co., Rhode Island, USA
44.9km (27.9 miles) Milton, Norfolk Co., Massachusetts, USA
44.9km (27.9 miles) Cumberland Hill, Cumberland, Providence Co., Rhode Island, USA
46.7km (29.0 miles) Quabbin Aqueduct Shaft #10 locality, Hardwick, Worcester Co., Massachusetts, USA
46.8km (29.1 miles) Boro pit, North Attleborough, Bristol Co., Massachusetts, USA
49.9km (31.0 miles) Conklin Quarry, Lime Rock, Lincoln, Providence Co., Rhode Island, USA
84.2km (52.3 miles) Cheapside Quarry (East Deerfield Quarry; Trew Corp. Quarry), Deerfield, Franklin Co., Massachusetts, USA
85.8km (53.3 miles) Bernardston, Franklin Co., Massachusetts, USA
100.0km (62.1 miles) Newport, Newport Co., Rhode Island, USA
 
Mineral and/or Locality  
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