Rubellite Tourmaline. The rubellite is a particularly beautiful gemstone from the colourful family of the tourmalines. Its colour shines in the most beautiful nuances from red to shocking pink.Tourmalines are closely related gemstones which have been created by Nature in many different colours.ubellite Tourmaline. The rubellite is a particularly beautiful gemstone from the colourful family of the tourmalines. Its colour shines in the most beautiful nuances from red to shocking pink.