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 is beryl, and onyx, and jasper; embroidered with gold are they in their settings,
and the fourth row a beryl, an onyx, and a jasper -- set, embroidered with gold, in their settings.
In Eden, the garden of God, thou hast been, Every precious stone thy covering, Ruby, topaz, and diamond, beryl, onyx, and jasper, Sapphire, emerald, and carbuncle, and gold, The workmanship of thy tabrets, and of thy pipes, In thee in the day of thy being produced, have been prepared.
the fifth, sardonyx; the sixth, sardius; the seventh, chrysolite; the eighth, beryl; the ninth, topaz; the tenth, chrysoprasus; the eleventh, jacinth; the twelfth, amethyst.