The Firefly Guide to Minerals, Rocks and Gems is designed for easy and reliable identification of minerals, gems and rocks. The identification process begins with the stone's streak color, which is how the book is organized: Blue, Red, Yellow, Brown, Green Black and White. Using a sequence of straightforward questions and answers -- aided by over 1,000 photographs and drawings -- the book narrows down the possibilities among 350 minerals, gems and...

"Find our about the rocks beneath your feet and te minerals they contain. Discover how they are used - from the graphite in pencils, to precious metals and gems. Learn the secrets of ancient fossils and how new rocks are made" --