Native Michigan Copper With Malachite & Included SilverNative Michigan Copper with Malachite & Silver 4. 3 oz This striking specimen of Native Michigan Copper with Malachite and naturally included Silver is a beautiful example of Earths raw artistry. Sourced from the historic copper rich regions of Michigan, this piece showcases the warm metallic glow of native copper accented by vibrant green malachite and subtle traces of native silver. The natural textures and color contrast make it both a powerful