CHRYSOBERYL, noun A siliceous gem, of a dilute yellowish green color. CHRYSOBERYL, the cymophane of Hauy, is a mineral usually found in round pieces, about the size of a pea; but it is also found crystalized in eight-sided prisms. It is next to the sapphire in hardness, and employed in jewelry.
Source: Webster's 1828 American Dictionary ↗ · public-domain · returned verbatim, no AI