en_tn_condensed/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 ... sapphire ... agate ... emerald

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