Original Verse:
Exodus Chapter 28 Verse 19The third, a jacinth, an agate, and an amethyst;

Reference Verses:
Exodus Chapter 39 Verse 12In the third, a jacinth, an agate, and an amethyst;
Isaiah Chapter 54 Verse 12I will make your towers of rubies, and your doors of carbuncles, and the wall round you will be of all sorts of beautiful stones.