Chrysoprase on metal stand from Kendari South-East Sulawesi - Indonesia.

Chrysoprase (Greek: chrysos, gold and prason, leek) is a variety of the mineral chalcedony, with which it shares chemical, optical and physical properties. It may contain small amounts of nickel and has a color that can range from apple green to deep green. Chrysoprase is often used as a gemstone. Chrysoprase is mined in Australia (Queensland and Western Australia), Germany, Poland, Russia, the United States (in the states of Arizona and California) and Brazil.