It's the classic work revised and updated! Identify over 500 of the most collectible minerals quickly and easily with this fully photographed field guide. And t

Describes more than five hundred minerals, providing such information as the mineral's crystallography, chemical properties, occurence, and names and varieties.

There are many different kinds of rocks. But rocks have many things in common, too. All rocks are solid, are made naturally, and are made up of groups of smalle