Chryoprase
Smith’s Bible Dictionary · William Smith, F. N. Peloubet, M. A. Peloubet
occurs only in (Revelation 21:20) The true chrysoprase is sometimes found in antique Egyptian jewelry set alternately with bits of lapis-lazuli. It is problem therefore, that this is the stone named as the tenth in the walls of the heavenly Jerusalem.
Source of the article
William Smith; revised by F. N. Peloubet and M. A. Peloubet; CrossWire SWORD module Smith 1.3
Bible Strong digital edition from CrossWire module 1.3, based on the 1884 Peloubet revision with later digital enrichments preserved