Chalcedony is usually subject to a dye treatment which may not be permanent. Gently clean by rinsing in warm water and drying with a soft cloth. Certain stones may fade in light or heat.
This item is electroplated with rhodium or finished with an e-coating. These finishes may wear off with frequent use. Ask a jewelry consultant for details.
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.