Chrysoprase. Chrysoprase 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 a problem, therefore, that this is the stone named as the tenth in the walls of the heavenly Jerusalem.
More than 4,500 subjects and proper names are defined and analyzed with corresponding Scripture references. Bible students have used "Smith's Bible Dictionary" since its introduction in the 1880s, making it a trustworthy classic.Wikipedia
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