знания и навыки

учебная и научная литература

учебная литература

школьные учебники

учебные программы

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.

любовные романы

современные любовные романы

зарубежные любовные романы

любовные интриги

тайны прошлого

повороты судьбы

Scientific guide about black diamonds

Без серии

Nadezhda Iushkina