Or HYACINTH, a gem of a yellowish red or hyacinth color, nearly related to zircon and to the amethyst. It loses its color by being heated, and resembles the diamond, Revelation 9:17 21:20.

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Properly a flower of a reddish blue or deep purple (hyacinth), and hence a precious stone of that colour (Revelation 21:20). It has been supposed to designate the same stone as the ligure (Heb. leshem) mentioned in Exodus 28:19 as the first stone of the third row in the high priest's breast-plate. In Revelation 9:17 the word is simply descriptive of colour.

JA'CINTH, n. a different orthography of Hyacinth.

1. A genus of plants. See Hyacinth.

2. A species of pellucid gems. See Hyacinth. Rev.21.

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.