Ligure

Concise Bible Dictionary:

The first in the third row of gems in the breastplate. It is supposed by some to be the hyacinth, by others the lyncurium, and by others amber; but its identification is uncertain (Ex. 28:1919And the third row a ligure, an agate, and an amethyst. (Exodus 28:19); Ex. 39:1212And the third row, a ligure, an agate, and an amethyst. (Exodus 39:12)).

Jackson’s Dictionary of Scripture Proper Names:

same as Leshem