Strong's:σάπφειρος a "sapphire" or lapis-lazuli gemDerivation: of Hebrew origin (H5601);KJV Usage: sapphire. H5601
TBESG:σάπφειροςsapphireG:N-F σάπφειρος, -ου, ἡ [in LXX for סַפִּיר ;] sapphire (perh. = lapis lazuli): Rev.21:19.† (AS)
σάπφειρος sappheiros sap'-fi-ros Of Hebrew origin [H5601]; a “sapphire” or lapis-lazuli gemKJV Usage: sapphire.
ספּיר sappı̂yr sap-peer' From H5608; a gem (perhaps as used for scratching other substances), probably the sapphireKJV Usage: sapphire.