| Country of Origin | Jersey |
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Check the listing for details. Solid Fluorescent Willemite Mass *Sterling Mine, New Jersey*. Condition: Used, Made in Jersey. Listed at 30.00 USD. Fluorescent minerals use either a Shortwave, Midwave, or Longwave Ultraviolet light. These are NOT black lights. Location: Sterling Mine, New Jersey. Perky boxes are 1.25" in height, so you can get an idea of the size of these minerals.