Definition:
Compare onyx with other words:
onyx vs. oryx
jasponyx vs. onyx
onycha vs. onyx
emerald vs. onyx
jasper vs. onyx
obsidian vs. onyx
onyx vs. sardonyx
onyx vs. quartz
cryptocrystalline vs. onyx
chalcedony vs. onyx
grave vs. onyx
agate vs. onyx