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Wolframite from
Monroe, Fairfield County, Connecticut, USA

Classification
Species:'Wolframite' (not an IMA approved species)
Formula:(Fe2+)WO4 to (Mn2+)WO4
Comments:Original descriptions by Silliman (1819a, 1819b, 1819c) match the pseudomorphs of ferberite after scheelite unique to Lane's Mine of Trumbull (not Monroe), both places worked at the time by Ephraim Lane. Samples were sold and shipped to Silliman, he did not collect them. Origin was eventually cleared up by Hitchcock and Silliman (1826).
Confirmation
Validity:Erroneously Reported
References
References:Silliman (1819a, 1819b, 1819c); Hitchcock and Silliman (1826)
Data
Mineral Data:Click here to view Wolframite data
Locality Data:Click here to view Monroe, Fairfield County, Connecticut, USA
Nearest other occurrences of Wolframite
1.4km (0.9 miles) Lane's Mine (Lane's Lead and Silver Mine; Elm Street), Monroe, Fairfield County, Connecticut, USA
5.1km (3.2 miles) Old Mine Park (Old Tungsten Mine), Long Hill, Trumbull, Fairfield County, Connecticut, USA
 
Mineral and/or Locality  
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