Job 28:19

“The topaz of Ethiopia shall not equal it, etc.] Not Ethiopia Abyssinia, or that which lies beyond Egypt in Africa; for, as Ludolphus f1004 says, there are no gems found there, or very rarely; but Cush, as the word is, or Arabia Chusaea, the same with the country of Midian, and the parts adjacent; (see <350307>Habakkuk 3:7); hence Zipporah, the wife of Moses, who was of that country, is called an Ethiopian woman, (<041201>Numbers 12:1); and this was near Job’s country, who knew the produce of it; and here the topaz is found, as many writers observe. Diodorus Siculus says f1005, in Ophiodes, an island in the Arabian gulf, belonging to the Troglodytes, the topaz is found, which is a very clear…”

“Ethiopia--Cush in the Hebrew. Either Ethiopia, or the south of Arabia, near the Tigris.”

“The topaz - The topaz is a precious stone, whose colors are yellow, green, blue, and red. Its natural place is in various primitive rocks, such as the topaz-rock, gneiss, and clay-slate. It is found in the granite and gneiss districts of Mar and Cairnaorta, in Cornwall, in Brazil, and in various other places. The most valuable stones of this kind now known are those which are found in Brazil. This gem is much prized by jewelers, and is considered as one of the more beautiful ornamental stones. The Hebrew word פטדה pı̂ṭdâh, occurs in Exodus 28:17; Exodus 39:10; Ezekiel 28:13. and in this place only. It is uniformly rendered topaz. It is not improbable that the English word “topaz,” and the…”

“topaz: Exo 28:17, Exo 39:10; Eze 28:13; Rev 21:20 Job 28:20”