The definitive book on Lake Superior's agates. Perfect for everybody, whether you're a casual rock collector or an advanced hobbyist. Contains a thorough examination of Lake Superior's strange and unique agate varieties, including a critical look at agate formation theories, where to look for agates and tips to find and identify them, and how collectible your agates may be.
223 pages
Paperback
Size: 8.5 x 0.7 x 10.9 inches