... size and materials to choose 4.sufficient : Product name: Obsidian Ball/Sphere. Size:Diameter :70mmWe also have animal carvinds,crystal ... you a large quantity of our product and also the small quantity. We can produce this product in different sizes on ... crystal carving for many years , our main products are crystal ball/sphere, point/column, chandelierpendant, amythest geode, massage wand, pyramid, ...