en_tn/exo/28/17.md

precious stones...onyx

See how you translated these in Exodus 25:3.

ruby...topaz...garnet...emerald...diamond...jacinth...agate...amethyst...beryl...jasper

These are gems. (See: rc://en/ta/man/translate/translate-unknown)

sapphire

See how you translated this in Exodus 24:9.

They must be mounted in gold settings

AT: "You must mount them in gold settings" (See: rc://en/ta/man/translate/figs-activepassive)