Ezekiel 10:9
I saw also four wheels beside the Cherubims, so that by every Cherub there stood a wheel. And the wheels were, to look upon, after the fashion of the precious stone of Tharsis,
Daniel 10:6
His body was like the Chrisolite stone; his face, to look upon, was like lightning; his eyes as the flame of fire; his arms and feet were like fair glistering metal; but the voice of his words was like the voice of a multitude.
Revelation 21:20
the fifth sardonyx: the sixth sardius: the seventh chrysolite: the eighth beryl: the ninth a topaz: the tenth a chrysoprasus: the eleventh a jacinth: the twelfth an amethyst.
Ezekiel 1:15-17
Now when I had well considered the beasts, I saw a work of wheels upon the earth with four faces also like the beasts.