Parallel
Revelation 4:3
Nestle 1904 Greek New Testament · Berean Standard Bible
καὶ ὁ καθήμενος ὅμοιος ὁράσει λίθῳ ἰάσπιδι καὶ σαρδίῳ καὶ ἶρις κυκλόθεν τοῦ θρόνου ὅμοιος ὁράσει σμαραγδίνῳ
The One seated there looked like jasper and carnelian, and a rainbow that gleamed like an emerald encircled the throne.