Emerald. A precious stone of a rich green color, upon which its value chiefly depends. This gem was the first in the second row on the breastplate of the high priest. Exodus 28:18; Exodus 39:11. It was imported to Tyre from Syria, Ezekiel 27:16, was used as a seal or signet, Sirach 32:6, as an ornament of clothing and bedding, Ezekiel 28:13; Judges 10:21, and is spoken of as one of the foundations of Jerusalem. Revelation 21:19 Tobit 13:16. The rainbow around the throne is compared to emerald in Revelation 4:3.