chrysoberyl Meaning, Definition & Usage

  1. noun a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone

WordNet

Chrys"o*ber`yl noun
Etymology
L. chrysoberyllus, Gr. gold + beryl.
Definitions
  1. (Min.) A mineral, found in crystals, of a yellow to green or brown color, and consisting of aluminia and glucina. It is very hard, and is often used as a gem.

Webster 1913