Bdellium is a transparent aromatic gum. The onyx is a precious stone, so called from a Greek word signifying a man's nail, to the colour of which it nearly approaches.

Numbers 11:7 And the manna was as coriander seed, and the color thereof as the color of bdellium.

onyx.

Exodus 28:20 And the fourth row a beryl, and an onyx, and a jasper: they shall be set in gold in their settings.

Exodus 39:13 And the fourth row, a beryl, an onyx, and a jasper: they were enclosed in ouches of gold in their settings.

Job 28:16 It cannot be valued with the gold of Ophir, with the precious onyx, or the sapphire.

Ezekiel 28:13 You have been in Eden the garden of God; every precious stone was your covering, the sardius, topaz, and the diamond, the beryl...