They came to Ophir, and fetched from there gold, four hundred and twenty talents, 9:28 A talent is about 30 kilograms or 66 pounds or 965 Troy ounces, so 420 talents is about 12.6 metric tonnes and brought it to King Solomon.
Genesis 1:19
There was evening and there was morning, a fourth day.
Genesis 2:10
A river went out of Eden to water the garden; and from there it was parted, and became the source of four rivers.
Genesis 2:11
The name of the first is Pishon: it flows through the whole land of Havilah, where there is gold;
Genesis 2:12
and the gold of that land is good. Bdellium 2:12 or, aromatic resin and onyx stone are also there.
Genesis 2:14
The name of the third river is Hiddekel. This is the one which flows in front of Assyria. The fourth river is the Euphrates.