Sapphire is commonly subjected to enhancement processes or treatments such as heating and diffusion. Gently clean by rinsing in warm water and drying with a soft cloth.
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.
