chrysoberyl
Concise Oxford English Dictionary © 2008 Oxford University Press:
chrysoberyl /ˌkrɪsə(ʊ)ˈbɛrɪl/
▶noun a greenish or yellowish-green mineral consisting of an oxide of beryllium and aluminium.
– origin C17: from L. chrysoberyllus, from Gk khrusos ‘gold’ + bērullos ‘beryl’.
'chrysoberyl' also found in these Oxford entries:

