Exodus 25:5

5tanned aramsskins, goatskins,
Uncertain; possibly dolphin skins, or dugong skins; compare 26:14
acacia wood,

Exodus 28:9

9You shall take two onyx stones, and engrave on them the names of the sons of Israel,

Exodus 28:17-21

17 cYou shall set in it four rows of stones. A row of sardius,
The identity of some of these stones is uncertain
topaz, and carbuncle shall be the first row;
18and the second row an emerald, a sapphire, and a diamond; 19and the third row a jacinth, an agate, and an amethyst; 20and the fourth row a beryl, an onyx, and a jasper. They shall be set in gold filigree. 21There 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.

Exodus 39:6-14

6They made the onyx stones, enclosed in settings of gold filigree, and engraved like the engravings of a signet, according to the names of the sons of Israel. 7And he set them on the shoulder pieces of the ephod to be stones of remembrance for the sons of Israel, as the Lord had commanded Moses.

8 eHe made the breastpiece, in skilled work, in the style of the ephod, of gold, blue and purple and scarlet yarns, and fine twined linen. 9It was square. They made the breastpiece doubled, a span
A  span was about 9 inches or 22 centimeters
its length and a span its breadth when doubled.
10And they set in it four rows of stones. A row of sardius, topaz, and carbuncle was the first row; 11and the second row, an emerald, a sapphire, and a diamond; 12and the third row, a jacinth, an agate, and an amethyst; 13and the fourth row, a beryl, an onyx, and a jasper. They were enclosed in settings of gold filigree. 14There were twelve stones with their names according to the names of the sons of Israel. They were like signets, each engraved with its name, for the twelve tribes.
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