Jacinth. A precious stone, forming one of the foundations of the walls of the new Jerusalem. Revelation 21:20. Called hyacinth, in the Revised Version. This is simply a different English rendering of the same Greek original. It is probably identical with the lighure of Exodus 28:19.
The jacinth or hyacinth is a red variety of zircon, which is found in square prisms of a white, gray, red, reddish-brown, yellow or pale-green color. The expression in Revelation 9:17, "of jacinth," is descriptive simply of a dark-purple color.
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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