Rocks become smoother as rough and jagged edges break off. Students run a model of this process by shaking sugar cubes and gravel together in a plastic container. The sugar cubes become smoother as their edges break off when they collide in the container.
By Diane Alter, Contributing Writer, Money Morning -. Gold prices today (Friday) climbed $18.90, or $1.66%, at $1,158.90, which was a six-week high for the precious metal. Gold prices today climbed after the release of the latest Federal Open Market Committee (FOMC) minutes.
How much does raw gold cost per ounce. Answer. Yet, the price of gold per ounce currently trades at about 38 times that of silver. According to the basic laws of supply and demand, especially given that the two metals are quite similar, the price gap between the two metals should be much smaller. Gold is trading at $1,413.20/oz, â¬1,004.05/oz and Â£884.08/oz. Silver.