Livre télécharger pda Secrets of the Gem Trade: The Connoisseur's Guide to Precious Gemstones (French Edition) DJVU MOBI FB2

Secrets of the Gem Trade: The Connoisseur's Guide to Precious Gemstones

Secrets of the Gem Trade: The Connoisseur's Guide to Precious Gemstones

by Richard Wise

Editeur : Brunswick House, Csi
ISBN: 9780972822329
Broché: 340
Télécharger les formats: pdf, ePub, mobi, fb2
Taille du fichier: 9 Mb
Date d'affichage: 2020-09-23
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La description:

Completely revised and expanded with 10 new chapters: Jade / Demantoid Garnet / Natural Nacreous Pearls / Conch Pearls / Sunstone / Moonstone / Peridot / Cobalt Blue Spinel / Red -Pink Spinel / Golconda (Type IIa) Diamonds. Five new introductory essay: Blue-white diamonds / Jadeite / Natural Pearls / Spinel / Feldspars. Plus 165 color photographs (50 additional) which include exclusive images from major museum collections and the latest auction market icons. The definitive book for anyone wanting to learn how the best gemologists in the world evaluate precious gems, and what makes one stone merely a good stone versus a truly fabulous museum quality gem. The author, Richard Wise, is one of the world's foremost gemologists.