Native Copper | Michigan S blue-to-green mineral that is a

blue-to-green mineral that is a hydrous phosphate of copper and aluminum

approximately 54 million years ago

They’re not crystals

Lake Superior Sodalite is a variety of Sodalite

some of the highest quality specimens come from Brazil and Uruguay

Native Copper | Michigan S blue-to-green mineral that is aThis slab of native copper comes from Michigans Upper Peninsula, a region famous for producing some of the highest quality copper specimens in the world. The piece displays classic metallic luster, natural reddish brown tones, and distinct growth patterns preserved within the copper mass. Michigan copper formed when hydrothermal fluids deposited pure native copper within basalt flows, creating impressive masses like this one. A substantial and