Agates of Lake Superior: Stunning Varieties and How they are Formed
The definitive book on Lake Superior's agates is here. The book provides a thorough examination of Lake Superior's strange and unique agate varieties, as well as a critical look at agate formation theories, tips on how to find and identify agates, where to look for them, and how collectible your agates may be.
If you're a casual rock collector, you will find Agates of Lake Superior fun, interesting and beautiful. If you're a more advanced hobbyist, you will appreciate this professional and scientific resource.