Foto des Verkäufers
London, NAG Press, 2011. 24.1cm x 16.4cm. 336 pages. With illustrations. Original Hardcover with dustjacket. Excellent condition with only minor signs of external wear. Includes for example the following chapters: The Chemistry of Gemstones / Crystallography / Hardness, Cleavage, Parting and Fracture / Density and Specific Gravity / Light / Polarized Light and Colour in Gem Properties / Luminescence, Electrical and Thermal Properties / Loupe and Microscope / Primary Gem Species / Synthetic Gemstones / Simulants / The Pearl / Organish Gems, etc. Sprache: English Excellent condition with only minor signs of external wear. Original Hardcover with dustjacket. Buchnummer des Verkäufers
Inhaltsangabe: Robert Webster's highly regarded work, Practical Gemmology, first published in 1943, has been through six editions and numerous reprints and was long considered the standard work for those learning the theory and science of gemmology. This classic, on which professional gemmology courses were founded, has been entirely revised by DeeDee Cunningham to return it to its esteemed place among current gemmological education books. Re-written and expanded, this completely updated book includes new material on high-tech treatments and synthetic diamonds as well as instrumentation, theory, testing and gemstone properties. Its nineteen lessons each serve as individual lectures and it pays considerable attention to covering all the background information and theory necessary for understanding every concept central to gemmological theory. Although suitable for readers of all levels of understanding, Practical Gemmology is specifically tailored to provide the information and diagrams necessary for the successful completion of diploma examinations and is an invaluable tool for gemmology students.
Inhaltsangabe: Although suitable for readers of all levels of understanding, 'Practical Gemmology' is specifically tailored to provide the information and diagrams necessary for the successful completion of diploma examinations and is an invaluable tool for gemmology students.
Titel: Practical Gemmology.
Verlag: NAG Press,
Buchbeschreibung Londion, N.A.G. Press, 1961, 1961. Hardcover. Buchzustand: Very Good. 3. Ln. 180 S. Einband berieben, kleiner Fleck an der Schnittkante, Namenseintrag--- 345 Gramm. Artikel-Nr. 35110