VERY RARE MICHIGAN NATIVE COPPER & CALCITE NATURAL LARGE CABINET CRYSTAL. MEASURING 4″ x 2.75″ x 1.75. This item is in the category “Collectibles\Rocks, Fossils & Minerals\Crystals & Mineral Specimens\Crystals”. The seller is “journeywithin” and is located in this country: US. This item can be shipped worldwide.