If you are new to the hobby you might want to learn more about UV and the various light sources (shortwave, midwave, longwave, blacklight) before diving into the review. For reference, an example of these types of lights is listed at the end of this page. They are usually the cheap alternative and the buyer will be greatly disappointed. There are many different kinds of lights out there some are simply not suitable for fluorescent mineral collecting.
The mineral lights needed to prospect for our magnificent glow rocks are expensive, and serious lights are only available from a few manufacturers.