Lapis Lazuli is commonly subject to an enhancement process such as dying or coating with wax or oil, which may not be permanent and may require special care. Gently clean by rinsing in warm water and drying with a soft cloth. Avoid chemicals and ultrasonic cleaning.
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.