In order to turn a rough semiprecious stone into a beautiful piece of art, there are generally two options. You could wait a few hundred or even thousands of years for water and sand to polish the ...

We're getting boulder with our rock puns as Amazon gets bolder on its rock tumbler deals, with $15 off this Professional kit from Nat Geo. When you purchase through links on our site, we may earn an ...

When you polish the rough edges away, you discover a beauty that was always there but was just a little hidden. Using this strategy, a rock tumbler turns ordinary-looking rocks into gems. However, to ...