Read Exodus 24:10 Using Other Translations
And they saw the God of Israel: and there was under his feet as it were a paved work of a sapphire stone, and as it were the body of heaven in his clearness.
and they saw the God of Israel. There was under his feet as it were a pavement of sapphire stone, like the very heaven for clearness.
There they saw the God of Israel. Under his feet there seemed to be a surface of brilliant blue lapis lazuli, as clear as the sky itself.