n. 金绿宝石

[化] 金绿宝石; 金绿玉

[ noun ]
a rare hard yellow green mineral consisting of beryllium aluminate in crystal form; used as a gemstone
<noun.substance>

Chrysoberyl \Chrys"o*ber`yl\, n. [L. chrysoberyllus, Gr. ?;
chryso`s gold + ? beryl.] (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.