Ezekiel
Ezekiel 1:16ESV·traditional attribution

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.

John Calvin Reformed @genevareformer

Now the Prophet uses the plural number, and says, there were four wheels. He says, the color was like a precious stone. Jerome translates it “sea,” because the sea which looks towards Cilicia with respect to Judea is called Tharsis. But I know not why the color of the sea or the sky took his fancy.

Matthew Henry Presbyterian @wholebiblehenry

The prophet is very exact in making and recording his observations concerning this vision. And here we have, I. The notice he took of the wheels, Eze 1:15-21. The glory of God appears not only in the splendour of his retinue in the upper world, but in the steadiness of his government here in this lower world.

Commenting on Ezekiel 1:15-25

John Gill Reformed Baptist @doctorgill

The appearance of the wheels, and their work, was like unto the colour of a beryl,.... Which is a precious stone; see Exo 28:20; the Syriac version renders it a chrysolite; the Arabic, a jasper; and so may denote the preciousness, glory, and excellency of the churches, and the true members of them, which are as jewels and pearls of great price in the esteem...