Job 28:6
The stones of it are the place of sapphires: and it hath dust of gold.
More from Job 28
Verse 1
Surely there is a vein for the silver, and a place for gold where they fine
Verse 2
Iron is taken out of the earth, and brass is molten out of the stone.
Verse 3
He setteth an end to darkness, and searcheth out all perfection: the stones of darkness, and the shadow of death.
Verse 4
The flood breaketh out from the inhabitant; even the waters forgotten of the foot: they are dried up, they are gone away from men.
Verse 5
As for the earth, out of it cometh bread: and under it is turned up as it were fire.