The fifth, sardonyx; the sixth, sardius; the seventh, chrysolyte; the eighth, beryl; the ninth, a topaz; the tenth, a chrysoprasus; the eleventh, a jacinth; the twelfth, an amethyst.
Sardonyx - having the redness of cornelian, and the whiteness of onyx.
Sardius - (note, Revelation 4:3.)
Chrysolite - described by Pliny as transparent, and of a golden brightness, like topaz; different from our pale green crystallized chrysolite.
Beryl - sea-green.
Topaz. Pliny (37: 32) makes it green and transparent, like our chrysolite.
Chrysoprasus - somewhat pale, having the purple of the amethyst (Pliny, 37: 20, 21).
Jacinth. The violet brightness in the amethyst is diluted in the jacinth (Pliny, 37: 41).