Of what material is the wall constructed?

Answer

"And the building of the wall of it was of jasper: and the city was pure gold, like unto clear glass." Verse

For what did David pray?
9. What expressions in the prophecy of Joel seem to imply a double fulfilment of this outpouring of the Spirit?
To whom has execution of judgment been committed?
For what purpose are we to remember the Sabbath day?
What will be the final doom of Satan and his angels?
What did the Ephesians do upon hearing the gospel?
Who will walk in the light of the city?

Questions & Answers are from the book Bible Readings for the Home Circle