ἴασπις

Revelation 4:3 And he that sat was to look upon like a jasper and a sardine stone: and there was a rainbow round about the throne, in sight like unto an emerald. Revelation 21:11 Having the glory of God: and her light was like unto a stone most precious, even like a jasper stone, clear as crystal; Revelation 21:18 And the building of the wall of it was of jasper: and the city was pure gold, like unto clear glass. Revelation 21:19 And the foundations of the wall of the city were garnished with all manner of precious stones. The first foundation was jasper; the second, sapphire; the third, a chalcedony; the fourth, an emerald;