Parallel
Exodus 24:10
Swete's Septuagint · Berean Standard Bible
καὶ εἶδον τὸν τόπον οὗ ἱστήκει ὁ θεὸς τοῦ Ἰσραήλ· καὶ τὰ ὑπὸ τοὺς πόδας αὐτοῦ ὡσεὶ ἔργον πλίνθου σαπφείρου, καὶ ὥσπερ εἶδος στερεώματος τοῦ οὐρανοῦ τῇ καθαριότητι.
and they saw the God of Israel. Under His feet was a work like a pavement made of sapphire, as clear as the sky itself.