As for the appearance of the wheels and their construction: their appearance was like the gleaming of beryl. And the four had the same likeness, their appearance and construction being as it were a wheel within a wheel.
And I looked, and behold, there were four wheels beside the cherubim, one beside each cherub, and the appearance of the wheels was like sparkling beryl.
When they went, they went in any of their four directions without turning as they went, but in whatever direction the front wheel faced, the others followed without turning as they went.
Moreover, each stand had four bronze wheels and axles of bronze, and at the four corners were supports for a basin. The supports were cast with wreaths at the side of each.
In the thirtieth year, in the fourth month, on the fifth day of the month, as I was among the exiles by the Chebar canal, the heavens were opened, and I saw visions of God.