What makes a Paraiba tourmaline so neon bright in color?

Gemstones SHARE Paraiba tourmalines are considered some of the most beautiful gemstones in the world, thanks to their incredibly bright and vivid colors. While tourmalines come in a variety of colors, only a few stones have the unique neon blue-green hue that characterizes Paraiba tourmalines. Their color is so bright that they almost seem to […]