I know your works, your labor, and your endurance, and that you cannot tolerate evil. You have tested those who call themselves apostles and are not, and you have found them to be liars.

Then I was given a measuring reed like a rod, with these words: “Go and measure God’s sanctuary and the altar, and count those who worship there.

The foundations of the city wall were adorned with every kind of precious stone:

the first foundation jasper,
the second sapphire,
the third chalcedony,
the fourth emerald,