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Opal from
Manhan Mines (Loudville Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire Co., Massachusetts, USA

Quality of samples:not specified / average specimens
Validity:Believed Valid
References:Gleba, 1978. Massachusetts Mineral & Fossil Localities
Mineral Data:Click here to view Opal data
Locality Data:Click here to view Manhan Mines (Loudville Mine; Southampton Lead Mine; Northampton Lead Mine), Easthampton, Hampshire Co., Massachusetts, USA
Nearest other occurrences of Opal
74.0km (46.0 miles) Case Quarries, Portland, Middlesex Co., Connecticut, USA
74.5km (46.3 miles) Walden Gem Quarry, Portland, Middlesex Co., Connecticut, USA
78.3km (48.6 miles) Hale-Walker prospects, Collins Hill, Portland, Middlesex Co., Connecticut, USA
79.6km (49.5 miles) Great Hill cobalt mines, Cobalt, East Hampton (Chatham), Middlesex Co., Connecticut, USA
97.3km (60.5 miles) Southbury, New Haven Co., Connecticut, USA
109.5km (68.0 miles) Iron Mine Hill quarry, Cumberland, Providence Co., Rhode Island, USA
116.5km (72.4 miles) Aggregate Industries Quarry (Wrentham Quarry; Simeone Quarry), Wrentham, Norfolk Co., Massachusetts, USA
122.6km (76.2 miles) Tilly Foster Iron Mine, Brewster, Town of Southeast, Putnam Co., New York, USA
150.9km (93.8 miles) Crugers Emery Mine, Montrose, Cortlandt Township, Westchester Co., New York, USA
180.3km (112.0 miles) Rhein property, Amity, Town of Warwick, Orange Co., New York, USA
199.0km (123.7 miles) Francisco Brothers Quarry (Francisco Quarry), Great Notch, Little Falls Township, Passaic Co., New Jersey, USA
202.1km (125.5 miles) McDowell's Quarry (Osborne and Marsellis Quarry), Upper Montclair, Montclair Township, Essex Co., New Jersey, USA
204.8km (127.3 miles) Sterling Hill, Ogdensburg, Franklin Mining District, Sussex Co., New Jersey, USA
218.5km (135.8 miles) Summit, Union Co., New Jersey, USA
230.1km (143.0 miles) Government Pit (Government Gravel Pits), Albany, Carroll Co., New Hampshire, USA
231.3km (143.7 miles) Stirling Brook ("Carnelian Creek"), Warren Township, Somerset Co., New Jersey, USA
233.1km (144.8 miles) Millington Quarry (Morris County Crushed Stone Co. Quarry; Tilcon Quarry), Bernards Township, Somerset Co., New Jersey, USA
237.5km (147.6 miles) Dunellen, Middlesex Co., New Jersey, USA
269.4km (167.4 miles) Margerum Brothers Quarry, West Windsor Township, Mercer Co., New Jersey, USA
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