Exodus 39:10-20

10 And they set in it four orders of stones. The order was a ruby, an emerald, and a chrysolite: this was the first order.
11 The second order, a carbuncle, a sapphire, and a diamond.
12 The third order, a topaz, a turquoise, and an amethyst.
13 And the fourth order, a tarshish (or beryl), an onyx, and a jasper; they were set and inclosed in their settings of gold.
14 The stones were in agreement with the names of the sons of Israel, twelve, in agreement with their names, like the engravings of a seal, each one in agreement with his name, according to the twelve tribes.
15 They also made the small chains upon the pectoral of wreathen work of pure gold.
16 In the same manner they made two settings of gold and two gold rings and put the two rings in the two ends of the pectoral.
17 And they put the two wreathen chains of gold in those two rings on the ends of the pectoral.
18 And the two ends of the two wreathen chains they fastened in the two settings, which they put on the shoulder pieces of the ephod, on the front part of it.
19 And they made two rings of gold and put them on the two ends of the pectoral upon the border of it, which was on the lower side of the ephod.
20 And they made two other golden rings and put them on the two sides of the ephod underneath toward the front part of it, in the front of its coupling, above the special girdle of the ephod.