Probably the ancient topaz of a golden colour. Re 21:20. The Greek word ?????????? occurs in the LXX in Ex 28:20; 36:20 (Ex 39:13); Eze 28:13.
And the fourth row, a topaz, and sardonyx, and jasper: they shall be set with gold in their fillings.
The fourth row, chrysolite, sardonyx, and jasper: surrounded in textures of gold in their fillings in.
Thou wert in Eden the garden of God: every precious stone thy covering, the ruby, the topaz, the onyx, the chrysolite, the sardonyx and the jasper, the sapphire, the carbuncle and the emerald, and gold: the work of thy drums and thy pipes were prepared in thee in the day of thy being created.
The fifth, a sardonyx; the sixth, a sardius; the seventh, a chrysolyte; the eighth, a beryl; the ninth, a topaz; the tenth, a chrysoprasus; the eleventh, a hyacinth; the twelfth, an amethyst.