Scientific guide about black diamonds

In this book you will learn more about each type of black diamonds, their origin, composition, structure, human applications, also you will be able to read about the largest natural specimens of black diamonds ever found and cut into beautiful jewelry settings. You will find it interesting to read about their history and unique characteristics. We will also consider methods for identifying black diamonds, as well as their imitation and synthetic diamonds.

Темы: Самиздат, разведка месторождений, научные исследования, добыча алмазов, научно-исследовательская деятельность, геологические исследования