Become a whiz at finding Lake Superior agates. Learn the common features to look for. See what rough agates look like in the field. Recognize the different varieties of Lake Superior agates. And identify the agate imposters that might fool you. This guide easily tucks into your pocket and will quickly become an essential tool when you're out in the field. You'll learn to pick up on those clues valuable to beginners and experts alike, turning your agate hunts into successful ones.