The Minerals Encyclopedia: 700 Minerals, Gems and Rocks

Mineral collecting by amateur "rockhounds" has never been more popular. Old quarries, road cuts, and exposed landscapes are being examined by new generations of minerals enthusiasts. Each needs a comprehensive guidebook with clear photographs and accurate data. This is it.

In a thick but handy format, more than 700 different minerals and rocks are grouped by color (for ease of location in the book) — blue, red, yellow, brown, green, white and black crystals; brown and gray sedimentary rock...