Fun Facts Fun Fact: The Biggest Piece of Copper Posted by Adam (Neko Random) on September 11, 2023August 12, 2023 The biggest mass of copper ever found naturally was found in the 19th century in Michigan. It weighed about 420 tons. Share this: Share on X (Opens in new window) X Share on Facebook (Opens in new window) Facebook Like this:Like Loading… Related
I bet it made a LOT of pennies!