Swiss Blue Topaz and Moonstones are the two most astonishing crystals with its unique characteristics and a significant presence in the world of gemstone jewelry. While Swiss Blue Topaz is comparatively a modern addition to the world of gemstones, Moonstone has been appreciated for centuries. In this ultimate comparison, we will dive into the attributes, properties and differences between Swiss Blue Topaz and Moonstone. Swiss Blue Topaz is a variation of the topaz mineral and is one of the most prominent blue gemstone in the world. It is famous for its deep, vibrant blue color, which is generated by treating a natural topaz stone.