80f01b99_d_other_fine_natural_gemstones__Notes
[Gemstone] Peridot [Code] H or O [Enhancement Method] Improve appearance [Use] Rarely [Stability] Good/Fair [Care] Special [Notes] 
Avoid Heat/Ultrasonic/Chemicals
Gemstone Enhancements : Simply Sapphires-Blue Ceylon Sapphires, Untreated Sapphire, and Fine Colored Gems, Sapphires, Tanzanite and other fine natural gemstones
Notes