Ezekiel 1:25–26
25 And there came a voice from above sthe expanse over their heads. When they stood still, they let down their wings.
26 And above the expanse over their heads there was tthe likeness of a throne, tin appearance ulike sapphire;1 and seated above the likeness of a throne was va likeness with a human appearance.
Ezekiel 10:1
The Glory of the Lord Leaves the Temple
1 Then I looked, and behold, xon the expanse that was over the heads of the cherubim there appeared above them something ylike a sapphire,1 in appearance like a throne.