The natural color gemstones featured here may have been subject to an enhancement process or treatment (e.g. heating, oiling, diffusion, waxing, etc.). This treatment may not be permanent and may require special care and should be cleaned by rinsing in warm water and drying with a soft cloth.
The onyx pictured may have been treated or enhanced by heating. Gently clean by rinsing in warm water and drying with a soft cloth.
