Best UV Flashlights for Finding Yooperlites: Your Guide to Fluorescent Gems
The Upper Peninsula of Michigan, affectionately known as the “Yoop,” is a treasure trove for rockhounds, particularly those seeking the elusive Yooperlite. This unique rock, a variety of syenite with fluorescent sodalite crystals, glows an ethereal blue-green under UV light, making it a highly sought-after find. But to unearth these hidden gems, you need the … Read more