Author: Keith Wallis (F.G.A.) Publisher: Acc Art Books ISBN: 9781851496303 Category : Precious gemstones Languages : en Pages : 0
Book Description
As well as diamonds, emeralds, rubies and sapphires, over 100 gems are featured, with full descriptions, technical details, and tips on how to check for fakes; illustrated throughout with fabulous color photographs to make identification easier.
Author: Kennie Lyman Publisher: Touchstone ISBN: 9780671604301 Category : Nature Languages : en Pages : 388
Book Description
Simon & Schuster's Guide to Gems and Precious Stones provides both the connoisseur and the casual collector with a compact, easy-to-use volume describing more than 100 rare varieties of minerals whose beauty and mystery have possessed our imaginations from time immemorial. More than 450 brilliant photographs accompany profiles of each gem, covering such aspects as appearance, physical properties -- density, hardness, refraction -- occurrence, and how to judge quality and value. Additional sections describe the process of cutting gemstones and the techniques professional gemologists use to evaluate a stone's weight and optical properties. Detailed and comprehensive, this book is essential for anyone interested in the study of gems and precious stones.
Author: Antoinette Matlins Publisher: Turner Publishing Company ISBN: 0943763932 Category : Antiques & Collectibles Languages : en Pages : 467
Book Description
This colorful book offers you a window into the world of Mahatma Gandhi, one of the most amazing people of the twentieth century. You will learn about Gandhi’s life—from his time as a student in London to his work for equality in South Africa and India—and his methods of peaceful, but not passive, resistance to injustice.
Author: Antoinette Matlins Publisher: ISBN: 9780997014556 Category : Precious stones Languages : en Pages : 0
Book Description
Gem Identification Made Easy is the first and only book that explains in non-technical terms how to identify diamonds and colored gems, and how to separate natural gems from imitations, treated stones, synthetics, and look-alikes. The book's approach is direct and practical, and its style easy to understand. In fact, with this highly accessible guide, anyone can begin to master gem identification. Includes over 150 photographs and illustrationsover 80 in full color! Using a simple, step-by-step system, the authors explain how to properly use essential but uncomplicated instruments to identify stones, what to look for gemstone by gemstone, and how to set up a basic lab at modest cost. Three of the instruments are inexpensive, portable, pocket instruments that, when used together, can identify almost 85% of all precious and popular stones. The key to avoiding costly mistakes and recognizing profitable opportunities is knowing both what to look for and what to look out for. Gem Identification Made Easy will help you: Open your eyes to the types of treatments, imitations, synthetics, look-alikes, and fakes in the gem market today. Learn how to tell the difference between them. Quickly spot: Synthetics, including synthetic emeralds and diamonds Filled diamonds Diffused "blue" sapphires and "red" rubies HPHT-treated diamonds ... and much more! Determine how to spot the newest "composite" imitations. Learn how to identify recently discovered gems such as "Mandarin" garnet, red "emerald," and North Carolina's chromium-rich emeralds. Discover new treatments such as surface coatings to create "fancy color" diamonds and improve or change the color of many gemstones. Know when to seek help from a professional gemologist or lab. Become more professional in your business or hobby.
Author: Judith Crowe Publisher: Herbert Press ISBN: 9781912217854 Category : Antiques & Collectibles Languages : en Pages : 0
Book Description
Discover the common treatments and imitations plus gemstone properties, sources and typical cuts of stones, including a guide on appraisal techniques. Jewellers and designer goldsmiths, lapidaries and gem cutters, stone setters, gemologists, geologists, collectors and people who buy and sell jewellery at antique fairs and on the internet, this book is for anyone who has ever had a gemstone and wanted identification and information. Featuring a mix of gemstones and gem-set jewellery, it puts gems in context and contains historical context for those buying and selling antique and vintage gem-set jewellery, including details of the stones typically found in Georgian, Victorian and early 20th century settings. Packed with fascinating gemological details and up-to-date data on more than 70 of the most exquisite gemstones, and written by leading expert, Judith Crowe, learn the common pitfalls in identifying stones and clarify areas of confusion and misidentification.
Author: Walter Schumann Publisher: Houghton Mifflin Harcourt ISBN: 9780395511374 Category : Nature Languages : en Pages : 390
Book Description
Contains descriptions and photographs of approximately six hundred minerals, rocks, and meteorites, providing information about the history, origin, structure, composition, properties, classification, and location of each specimen.
Author: Arthur Thomas Publisher: New Holland Australia(AU) ISBN: 9781847734846 Category : Precious stones Languages : en Pages : 256
Book Description
'Gemstones' is a guide to the fascinating world of precious and semi-precious crystals. As well as the naturally occurring minerals that have long been prized as gemstones, such as diamonds, emeralds and rubies, this book covers 'organic gems', including pearls, amber and coral, and synthetic gems and simulants, or imitations.
Author: Keith Wallis (F.G.A.)
Author: Kennie Lyman
Author: Antoinette Matlins
Author: Antoinette Matlins
Author: Judith Crowe
Author: Cally Oldershaw
Author: Julius Wodiska
Author: Walter Schumann
Author: Arthur Thomas
Author: Cally Hall