Revelation 21:20

chrysolite … topaz According to the best authorities, the ancient application of these names was the reverse of the modern. Chrysolite ought, according to the etymology, to be a "golden stone," while the modern chrysolite is green. Perhaps the ancient chrysolite included the modern jacinth as well as the true "Oriental topaz".

chrysoprasus A variety of the beryl, of a more yellowish-green: probably that now called chrysolite.

jacinth Probably oursapphire, the "sapphire" above being lapis lazuli. The modern jacinth is a crystalline stone, usually red.

amethyst This, the emerald, sardius, and beryl are undoubtedly the stones now so called.