Brown-Driver-Briggs (BDB)
H5306
H5306 נֹ֫פֶךְ n.[m.] a precious stone which Tyre gained by trade Ez 27:16 (where נ׳ doubted by Berthol, queried by Toy Hpt), cf 28:13 (symbol. of wealth and honour of king of Tyre); in high priest’s breast-piece Ex 28:18 39:11 . Perh. = ruby or carbuncle 𝔊 Joseph. ἄνθραξ , 𝔙 carbunculus , cf. Di Ex, Kau Ex, Sgfr Ezek, Co Berthol; 𝔗 AV emerald .
Brown-Driver-Briggs Hebrew Lexicon (BDB), 1906 — public domain