Exodus 24 10
and they saw the God of Israel. Under his feet was something like a tiled pavement made of lapis lazuli, as clear blue as the sky itself.
Compare with other 3 random translations
GNV Exodus 24:10And they saw the God of Israel, and vnder his feete was as it were a worke of a Saphir stone, and as the very heauen when it is cleare.
ERV Exodus 24:10On the mountain, these men saw the God of Israel. He was standing on something that looked like blue sapphires, as clear as the sky!
EAS Exodus 24:10They saw the God of Israel there. Under his feet was something like a jewel called sapphire. It was as bright as a clear blue sky.