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Opal from
Cheapside Quarry (East Deerfield Quarry; Trew Corp. Quarry), Deerfield, Franklin Co., Massachusetts, USA

Locality type:Quarry
Classification
Species:Opal
Formula:SiO2 · nH2O
Confirmation
Validity:Believed Valid
References
References:Gleba, 1978. Massachusetts Mineral & Fossil Localities; Emerson, B. K (1882) The Deerfield Dyke and its minerals. American Journal of Science 3rd series XXIV:270-278,349-359.
Data
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Cheapside Quarry (East Deerfield Quarry; Trew Corp. Quarry), Deerfield, Franklin Co., Massachusetts, USA
Nearest other occurrences of Opal
14.4km (8.9 miles) Leverett, Franklin Co., Massachusetts, USA
22.4km (13.9 miles) Guilford, Windham Co., Vermont, USA
34.3km (21.3 miles) Loudville Lead Mines (Manhan Lead-Silver Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire Co., Massachusetts, USA
37.1km (23.0 miles) Florida, Berkshire Co., Massachusetts, USA
40.2km (25.0 miles) Quabbin Aqueduct Shaft #10 locality, Hardwick, Worcester Co., Massachusetts, USA
53.9km (33.5 miles) Monson quarries (Flynt quarries), Monson, Hampden Co., Massachusetts, USA
59.6km (37.0 miles) Chickering Mine, Walpole, Cheshire Co., New Hampshire, USA
63.1km (39.2 miles) Rollstone Hill Quarries, Fitchburg, Worcester Co., Massachusetts, USA
67.7km (42.1 miles) Route 13 area, Lunenburg, Worcester Co., Massachusetts, USA
70.0km (43.5 miles) Lunenburg, Worcester Co., Massachusetts, USA
 
Mineral and/or Locality  
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