Handbook of Gemmology
Gebundenes Buch

Handbook of Gemmology

Versandkostenfrei!
Versandfertig in über 4 Wochen
129,99 €
inkl. MwSt.
PAYBACK Punkte
65 °P sammeln!
A gemstone is a precious or semi-precious stone, which is used for making jewelry and is used as an ornament due to its antiquity. Gemmology is the branch of mineralogy, which deals with the study of natural and artificial gemstones. The Earth's crust is composed of three types of rocks, including metamorphic, igneous and sedimentary. Each type of rock originates under various conditions resulting in a diverse range of gemstones. They can be categorized as precious gemstones and semi-precious gemstones. Precious gemstones include sapphires, diamonds, emeralds and rubies. All other gemstones ar...