en_tn/rev/21/19.md

The foundations of the wall were adorned

This can be stated in active form. Alternate translation: "Someone adorned the foundations of the wall" (See: rc://en/ta/man/translate/figs-activepassive)

jasper ... emerald ... carnelian

These are valuable stones. Jasper may have been clear like glass or crystal, and carnelian may have been red. Emeralds are green. See how you translated these in Revelation 4:3. (See: rc://en/ta/man/translate/translate-unknown)

sapphire ... agate ... onyx ... chrysolite ... beryl ... topaz ... chrysoprase ... jacinth ... amethyst

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