LSJ
τό, a precious stone (Dim. of λίγυρος), LXX Ex. 28.19, J. BJ 5.5.7.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
TBESG
amber (MT)
Translators Brief lexicon of Extended Strongs for Greek based on Abbot-Smith, A Manual Greek Lexicon of the New Testament (1922) (=AS), with corrections and adapted by Tyndale Scholars