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

In reply to his inquiry concerning salvation, what was the Philippian gaoler told to do?
What solemn charge was given him concerning his public work?
Why do the inhabitants of heaven worship God?
16. What striking testimony is borne by Neander, the noted church historian, regarding the origin of the Sunday Sabbath?
When was there a remarkable display of falling stars?
How does the Apostle Peter close his second epistle?
Is this chastening a pleasant experience?

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