Enhancements
Orange tourmaline is not enhanced.
More information on gemstone enhancements.
Orange Tourmaline ...
Yellow and orange tourmaline maintains intermediate value as long as it does not move into the brown region. Clean yellow and bright orange stones are sought after by collectors and find their way into a small amount of commercial jewelry.
 See also: Stone, Color, Tourmaline, Chrome tourmaline, Andalusite
  
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