Treasures of the Earth From the author of Collecting Rocks, Gems and Minerals and one of the leading agate collectors in the world, comes this comprehensive gui

Jasper is a beautiful stone, and the variation is enough to make any collector excited. When you’re diving into the world of rock collecting, they’re a grea

This informative and fully illustrated volume explores the untold story of agate gemstones hidden in Kentucky’s scenic Knobs Region. With their fine grain and

This book documents what is likely the most complete collection of agates worldwide. It contains pictures of more than 1250 of the choicest and rarest specimens