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.
Turquoise may be subject to enhancement processes such as treatment with resin, wax or oil, which may not be permanent and requires special care. Gently clean by rinsing in cool water and drying with a soft cloth. Avoid hot water and household chemicals.
