Sphere is Smelted Glass & made by a process to create the color & white inclusions. (Glass melting requires raw materials which are of two kinds: different types of sand and recycled glass. These raw materials are mixed together, charged in a furnace where there are melted at around 1500°C to form molten glass. The molten glass is then taken out of the furnace to be shaped and cooled down afterwards.) Creates a bright spot anywhere in your home.