Tourmaline exists in a very wide variety of fascinating colors such as Rubelite (pink to red), Drauite (yellow brown to dark brown), Verdelite (all shades of green), Indigolite (all shades of blue), Siberite (lilac to violet-blue) and black called Schoil. "Watermelon Tourmaline" where Verdelite (green) blends to Rubelite (red) is one of the most unique forms of this intriguing gem.