Ezekiel describing his vision of the Throne of God says, "Above the Firmament that was over their heads was the likeness of a Throne, as the appearance of a Sapphire Stone: and upon the likeness of the Throne was the likeness as the appearance of a Man above upon it.
And I saw as the color of Amber, as the appearance of fire round about within it, from the appearance of His loins even upward, and from the appearance of His loins even downward, I saw as it were the appearance of fire, and it had brightness round about.
As the appearance of the Bow that is in the cloud in the day of rain, so was the appearance of the brightness round about.
This was the appearance of the likeness of the Glory of the Lord."
Ezekiel 1:26-28