Emeralds may be subject to an enhancement process using wax, oil or resin, which may not be permanent and require special care. Gently clean by rinsing in warm water and drying with a soft cloth. Avoid sudden temperature changes, steaming, chemicals and ultrasonic cleaning.
Topaz may be subject to enhancement processes or treatments such heating, irradiation and diffusion, which may not be permanent and may require special care. Gently clean by rinsing in warm water and drying with a soft cloth, and avoid chemicals, strong light, heat and ultrasonic cleaning.
