The stones are to be engraved in the order of the names of Bnei-Yisrael, twelve according to their names, like the etchings of a signet seal, one corresponding to each name of the twelve tribes.
The appearance and structure of the wheels was like the gleaming of beryl. The four had the same likeness, their appearance and their structure seemed to be a wheel within a wheel.
Then I looked, and behold, four wheels beside the cheruvim, one wheel beside one cheruv, and another wheel beside another cheruv. The appearance of the wheels was like the sparkling of a beryl stone.
His body was like yellow jasper, his face like a flash of lightning, his eyes like fiery torches, his arms and his feet like the gleam of burnished bronze, and the sound of his words like the roar of a multitude.