Job 28:2-6

2Iron is taken from the ground, and rock is poured out as copper.

3Man puts an end to the darkness; he searches the farthest recesses for the ore in the deepest darkness.

4Far from where people live he sinks a shaft, in places travelers have long forgotten, far from other people he dangles and sways.

5The earth, from which food comes, is overturned below as though by fire;

6a place whose stones are sapphires and which contains dust of gold;