/ multitools, What’s New / By Big-G Awesome Inexpensive 365 UV Light for Minerals! As a rock shop owner, I often get asked what’s a good UV light to start with for minerals. In my experience, the Darkbeam B01 is the best option for the money when it comes to a 365nm light. There are different wavelengths of UV that cause minerals to react in different ways, but 365nm is an excellent choice for a first UV light.
