Stones and minerals. Rupert Hyokhlyaytner

Practical skills reference for those whose hobbies are 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 of interest to them, and also learn all the most amazing about many of their rare varieties. The book contains detailed information about the formation, density, color of the line, adhesion, shock viscosity and algonia of more than 290 types of minerals and rocks, as well as detailed photographs of each of them. In addition, readers will find out what stones and why can be considered precious, what amorphous minerals are, how to find out the belonging of a particular rock without special equipment, will receive answers to many other questions about the secrets of geology.