Rocks and Minerals

A practical skills guide for those whose hobby is geology. With the help of this guide to the world of minerals and rocks, readers will be able to easily and accurately identify the stones that interest them, as well as learn all the most amazing facts about many of their rare varieties. The book contains detailed information about the formation, density, streak color, cleavage, impact toughness, and symmetry of more than 290 types of minerals and rocks, as well as detailed photographs of each of them. In addition, readers will learn which stones can be considered precious and why, what amorphous minerals are, how to determine the belonging of a particular rock without special equipment, and will get answers to many other questions about the mysteries of geology.