This beautiful swirling blue and green piece of Chrysocolla with Malachite weighs 6.7 and measures 4” long, 3” at it’s widest point and 1/2 of an inch thick. Ready to enjoy as is or inspire something of your own creation! This rock is a jewelers dream...perfect for cutting. This rock is truly beautiful on both sides as seen in picture. This chunk of Chrysocolla comes to us from the Congo, and has a Mohs hardness of 2-4 and a chemical composition of (CuAl)2H2Si2O5(OH)4 nH2O. Often it is found within Quartz giving the mineral its strength. This copper-bearing gem dates back to at least 315 BCE when greek philosopher Theophrastus first wrote of it. The name comes from the Greek words chrysos meaning "gold", and kolla meaning "glue". These ever giving colors of forest greens and magic sea blues give Chrysocolla a planetary earth like color...giving a sense of peace. Chrysocolla is said to alleviate fear, guilt and nervous tension...using its copper to help alleviate stagnant energy in the body. Also known as the Stone of Communication.... allowing truth and inner wisdom to surface and be heard. Be a peaceful warrior. No two stones are alike, discover the magical energy of this unique creation by Mother Earth.