on·yx
noun/ˈɒnɪks/
/ˈɑːnɪks/
[uncountable]- a type of stone that has layers of different colours in it, usually used to make or decorate objects
缟玛瑙 Word OriginMiddle English: from Old French oniche, onix, via Latin from Greek onux ‘fingernail or onyx’.