Lot of 5 natural tumbled Copper Nugget form USA

This is a lot of 5 tumbled Copper Nuggets from the so-called "Copper Country" of Michigan, where copper is found in an unusually pure state.
These stones are perfect for crafting, collecting, metaphysical use, or jewelry making.
Location: Michigan, USA
Size: up to 2.8 Centimeters
Weigh: each lot is about 36 Grams