The appearance of the wheels and their workings was like the color of beryl: and the four had the same likeness: and their appearance and their workings was, as it were, a wheel in the middle of a wheel.
Read Chapter 1
George Leo Haydock
Sea; sky blue. Hebrew, "Tharsis "which Symmachus renders "the hyacinth "a precious stone, Exodus xxviii. 20. (Calmet)
Midst. The evangelists and New Testament agree perfectly with the Old. (St. Gregory, hom. vi.) (Worthington)