chalcedonyx
Noun
Meaning
chalcedonyx (uncountable)
(mineralogy) An agate formed of a white opaque chalcedony alternating with a greyish translucent chalcedony.
Noun
chalcedonyx (uncountable)
(mineralogy) An agate formed of a white opaque chalcedony alternating with a greyish translucent chalcedony.