80f01b99_d_other_fine_natural_gemstones__Notes
[Gemstone] Emerald [Code] H or O [Enhancement Method] Oil, Wax or Resin to improve appearance [Use] Common [Stability] Fair/Very Good [Care] Special [Notes] 
Avoid Chemicals/Ultrasonic
Gemstone Enhancements : Simply Sapphires-Blue Ceylon Sapphires, Untreated Sapphire, and Fine Colored Gems, Sapphires, Tanzanite and other fine natural gemstones
Notes