Chalcedony is the special name for quartz with microscopically small crystals. Unlike quartz, chalcedony does not look clear and glassy but translucent and waxy. Chalcedony can be virtually any color of the rainbow. It is commonly pale blue, yellow, brown or gray with nearly waxlike luster. A white, buff, or light tan species of chalcedony are also occured.

Chalcedony, the beautifully colored microcrystalline quartz. Jewelry designers today love its glowing translucent tones and its availability in a wide range of colors and shapes, including carvings.