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 tarshish (or beryl) and an onyx and a jasper; they shall be set in gold in their inclosings.
And the fourth order, a tarshish (or beryl), an onyx, and a jasper; they were set and inclosed in their settings of gold.
Thou hast been in Eden the garden of God; every precious stone was thy covering: the sardius, topaz, diamond, turquoise, onyx, and beryl, the sapphire, ruby, and emerald, and gold; the works of thy tambourines and of thy pipes were prepared in thee in the day that thou wast created.
the fifth, sardonyx; the sixth, sardius; the seventh, chrysolite; the eighth, beryl; the ninth, topaz; the tenth, chrysoprasus; the eleventh, jacinth; the twelfth, amethyst.