A sideline of mineral collecting involves shining ultraviolet lights on various minerals and enjoying the fluorescent colors they respond with. It's a secret side of minerals, like finding out the unusual things your friends do that they don't usually talk about. How exactly does fluorescence work? What minerals work best? What equipment do you need? Answers to those questions and more in this new article, "Mineral Fluorescence."
Minerals (and a scorpion) fluoresce at a mineral show Geology Guide photo