Moses
Genesis 2:12BSB·traditional attribution

And the gold of that land is pure, and bdellium and onyx are found there.

Matthew Henry Presbyterian @wholebiblehenry

Man consisting of body and soul, a body made out of the earth and a rational immortal soul the breath of heaven, we have, in these verses, the provision that was made for the happiness of both; he that made him took care to make him happy, if he could but have kept himself so and known when he was well off.

Commenting on Genesis 2:8-15

John Gill Reformed Baptist @doctorgill

And the gold of that land is good,.... Arabia was famous for gold: Diodorus Siculus (x) speaks of gold in Arabia, called "apyrus", which is not melted by fire out of small filings, as other; but as soon as dug is said to be pure gold, and that in the size of chestnuts, and of such a flaming colour, that the most precious stones are...

Adam Clarke Methodist @methodicalclarke

There is bdellium (בדלח bedolach) and the onyx stone, אבן השהם eben hashshoham - Bochart thinks that the bedolach or bdellium means the pearl-oyster; and shoham is generally understood to mean the onyx, or species of agate, a precious stone which has its name from ονυξ a man's nail, to the color of which it nearly approaches.