Michigan Copper Ore Bookends - Beautiful Glossy Finish on Natural Native Michigan Copper Ore in a Matrix with Quartz - One of a Kind - Exact Item Pictured - The Set Weighs 6 lbs. - Approximately 8 x 4 x 2 inches as a Set
8.3 gram - 17mm x 10mm x 5mm Michigan Native Copper and Silver Halfbreed Nugget - Exact item Pictured - A natural combination of pure silver and copper is known as a "halfbreed". They can only be found in the native copper deposits of Michigan's Upper Peninsula. For more information visit http://en.wikipedia.org/wiki/Copper_mining_in_Michigan