Deuteronomy 9:16

9:16 When I looked, you had indeed sinned against the Lord your God and had cast for yourselves a metal calf; you had quickly turned aside from the way he had commanded you!

Deuteronomy 9:21

9:21 As for your sinful thing that you had made, the calf, I took it, melted it down, ground it up until it was as fine as dust, and tossed the dust into the stream that flows down the mountain.