Gemstones Of The World: Newly Revised Fifth Edition Walter Schumann Sterling Αγγλικά Βιβλία Science Natural History

Newly Published In A Fifth Edition This Definitive Guide Takes The Mystery Out Of Appreciating Buying And Selling Gemstones It Covers Everything From Romance History More Than 1 800 To Their Geographic Locations Scientific Physical Colour Properties Way They Are Formed Structured Mined Book Also Fully Optical Features Gems - Light Luminescence Refraction Inclusions Key Information About Densities Chemical Elements Each Stone With Fascinating Details On Different Cuts Polishing Hardness Cleavage Classification Trade Names Rarity There Many Charts Diagrams As Well Magnificent Photographs Stones Data Them Facing Page If You Want Only One Your Library Would Be One! Σελίδες: 320 Έτος Έκδοσης: 0702 Διαστάσεις: 12 4X12 4Cm