Revelation 4:3 N-DFS
BIB: ὁράσει λίθῳ ἰάσπιδι καὶ σαρδίῳ
NAS: [was] like a jasper stone
KJV: like a jasper and
INT: in appearance to a stone jasper and a sardius

Revelation 21:11 N-DFS
BIB: ὡς λίθῳ ἰάσπιδι κρυσταλλίζοντι
NAS: as a stone of crystal-clear jasper.
KJV: even like a jasper stone,
INT: as a stone jasper being clear as crystal