Bands of deep green in these high grade Malachite spheres create a mesmerizing visual. Only found in small amounts, it was initially utilized an ore of copper. Now it is now treasured for its amazing aesthetics. These spheres hail from D.R. of the Congo. ~2.25 - 2.5" diameter, .75 - 1.2 lbs Variation is to be expected in these natural, polished, pieces of our planet.