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.
Tourmaline is commonly subject to heating and irradiation and enhancement processes using wax, oil or resin, which may not be permanent and may require special care. Gently clean by rinsing in warm water and drying with a soft cloth. Avoid temperature changes, chemicals, steaming and ultrasonic cleaning.