Natural Top Quality Apple Green Chrysoprase Smooth Polished Pear Drops Length is 9 Inches & Sizes from 8mm to 11mm approx.Chrysoprase, chrysophrase or chrysoprasus is a gemstone variety of chalcedony (a cryptocrystalline form of silica) that contains small quantities of nickel. Called the stone of Venus, chrysoprase is the rarest and most valuable rich apple -green gemstone in the chalcedony family