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Sphalerite from selected localities.

USA
 
  • New Jersey
    • Warren Co.
      • Lopatcong Township
        • Phillipsburg
          • Marble Mountain
Montgomery, A., 1957, Three occurrences of high-thorian uraninite near Easton, Pennsylvania: Am. Mineralogist, v. 42, pp. 804-820
  • Pennsylvania
    • Northampton Co.
      • Easton
        • Chestnut Hill (College Hill; Lafayette Hill; Mount Lafayette; Paxinosa Ridge)
          • C.K. Williams Quarry complex (Williams and Company Rock Quarry)
Rocks & Min.: 17:344.
 
Mineral and/or Locality  
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