20 ὁ (the) πέμπτος (fifth) σαρδόνυξ (sardonyx), ὁ (the) ἕκτος (sixth) σάρδιον (sardius), ὁ (the) ἕβδομος (seventh) χρυσόλιθος (chrysolite), ὁ (the) ὄγδοος (eighth) βήρυλλος (beryl), ὁ (the) ἔνατος (ninth) τοπάζιον (topaz), ὁ (the) δέκατος (tenth) χρυσόπρασος (chrysoprase), ὁ (the) ἑνδέκατος (eleventh) ὑάκινθος (jacinth), ὁ (the) δωδέκατος (twelfth) ἀμέθυστος (amethyst).
Revelation 21:20 Cross References - BIB
Revelation 4:3
3 καὶ (and) ὁ (the One) καθήμενος (sitting) ὅμοιος (was like) ὁράσει (in appearance) λίθῳ (stone), ἰάσπιδι (jasper) καὶ (and) σαρδίῳ (sardius). καὶ (And) ἶρις (a rainbow) κυκλόθεν (was around) τοῦ (the) θρόνου (throne), ὅμοιος (like) ὁράσει (in appearance) σμαραγδίνῳ (an emerald).