Bible Verses About Precious Stones: Art of engraving upon, early known to the Jews

Take two onyx stones and engrave on them the names of the sons of Isra'el -

An engraver should engrave the names of the sons of Isra'el on the two stones as he would engrave a seal. Mount the stones in gold settings,

The stones will correspond to the names of the twelve sons of Isra'el; they are to be engraved with their names as a seal would be engraved, to represent the twelve tribes.