chrysolite

1. (mineralogy) Originally, any of various green-coloured gems; later specifically peridot.Examples: "Fran. Rueus[…]say as much of the chrysolite, a friend of wisdome, an enemy to folly."; "And before he died, Taran-Ish had scrawled upon the altar of chrysolite with coarse shaky strokes the sign of DOOM."; "A piece of marigold or bay leaf was imbedded in the metal, and over it a carbuncle or chrysolite was placed."countableuncountable