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Melanterite from
Robin's Hill copperas mine, Chelmsford, Middlesex Co., Massachusetts, USA

Locality type:Mine
Formula:Fe2+(H2O)6SO4 · H2O
Validity:Believed Valid
References:Sawyer, A. (1908) Early Mining Operations Near Lowell, in Contributions of the Lowell Historical Society, vol.1.1913.
Mineral Data:Click here to view Melanterite data
Locality Data:Click here to view Robin's Hill copperas mine, Chelmsford, Middlesex Co., Massachusetts, USA
Nearest other occurrences of Melanterite
47.2km (29.3 miles) Quincy, Norfolk Co., Massachusetts, USA
50.9km (31.6 miles) Braintree, Norfolk Co., Massachusetts, USA
56.3km (35.0 miles) Rindge, Cheshire Co., New Hampshire, USA
70.5km (43.8 miles) National Refuge borehole (NR1), Great Bay National Wildlife Refuge, Newington, Rockingham Co., New Hampshire, USA
81.0km (50.3 miles) Parker Mountain Mine (Buzzo Mine; Foss Mine), Parker Mountain, Strafford, Strafford Co., New Hampshire, USA
91.1km (56.6 miles) Cranston Graphite mine (Budlong Coal mine; Sockanosset Coal mine), Cranston, Providence Co., Rhode Island, USA
93.9km (58.3 miles) Gilmanton, Belknap Co., New Hampshire, USA
Mineral and/or Locality  
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