Exodus 28:12-22

12 And you shall set the two stones upon the shoulder-pieces of the ephod, as stones of remembrance for the sons of Israel; and Aaron shall bear their names before the LORD upon his two shoulders for remembrance.
13 And you shall make settings of gold filigree,
14 and two chains of pure gold, twisted like cords; and you shall attach the corded chains to the settings.
15 "And you shall make a breastpiece of judgment, in skilled work; like the work of the ephod you shall make it; of gold, blue and purple and scarlet stuff, and fine twined linen shall you make it.
16 It shall be square and double, a span its length and a span its breadth.
17 And you shall set in it four rows of stones. A row of sardius, topaz, and carbuncle shall be the first row;
18 and the second row an emerald, a sapphire, and a diamond;
19 and the third row a jacinth, an agate, and an amethyst;
20 and the fourth row a beryl, an onyx, and a jasper; they shall be set in gold filigree.
21 There shall be twelve stones with their names according to the names of the sons of Israel; they shall be like signets, each engraved with its name, for the twelve tribes.
22 And you shall make for the breastpiece twisted chains like cords, of pure gold;
Revised Standard Version of the Bible, copyright 1952 [2nd edition, 1971] by the Division of Christian Education of the National Council of the Churches of Christ in the United States of America. Used by permission. All rights reserved.