New Revised Standard Version
As for the appearance of the wheels and their construction: their appearance was like the gleaming of beryl; and the four had the same form, their construction being something like a wheel within a wheel.

Contemporary English Version
shining like chrysolite. Each wheel was exactly the same and had a second wheel that cut through the middle of it,

New American Bible
The wheels and their construction sparkled like yellow topaz, and all four of them looked the same: their construction seemed as though one wheel was inside the other.

Douay-Rheims Bible
And the appearance of the wheels, and the work of them was like the appearance of the sea: and the four had all one likeness: and their appearance and their work was as it were a wheel in the midst of a wheel.

And the appearance of the wheels, and the work of them was like the appearance of the sea: and the four had all one likeness: and their appearance and their work was as it were a wheel in the midst of a wheel.

the colour

Ezekiel 10:9 And I saw, and behold there were four wheels by the cherubims: one wheel by one cherub, and another wheel by another cherub: and the appearance of the wheels was to the sight like the chrysolite stone:

Exodus 39:13 In the fourth, a chrysolite, an onyx, and a beryl, set and enclosed in gold by their rows.

Daniel 10:6 And his body was like the chrysolite, and his face as the appearance of lightning, and his eyes as a burning lamp: and his arms, and all downward even to the feet, like in appearance to glittering brass: and the voice of his word like the voice of a multitude.

a wheel

Ezekiel 10:10 And as to their appearance, all four were alike: as if a wheel were in the midst of a wheel.

Job 9:10 Who doth things great and incomprehensible, and wonderful, of which there is no number.

Psalm 36:6 Thy justice is as the mountains of God, thy judgments are a great deep. Men and beasts thou wilt preserve, O Lord:

Psalm 40:5 Thou hast multiplied thy wonderful works, O Lord my God: and in thy thoughts there is no one like to thee. I have declared and I have spoken they are multiplied above number.

Romans 11:33 O the depth of the riches of the wisdom and of the knowledge of God! How incomprehensible are his judgments, and how unsearchable his ways!

Ephesians 3:10 That the manifold wisdom of God may be made known to the principalities and powers in heavenly places through the church,