iridite

Example:The prism showed purple iridite as a comparison to cheaper-looking purple paste.

Definition:An imitation stone made of colored glass or plastic, often used in jewelry.

Example:In comparison, carbon is different from iridite, which is a gemstone.

Definition:A chemical element with the symbol C and atomic number 6, occurring in pure form (as the diamond) or in various allotropic forms (as graphite or buckminsterfullerene).