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Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 72
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Book Description
Author: Geological Survey (U.S.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 72
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Book Description
Author: Barbara Case
Publisher: David and Charles
ISBN: 0715330578
Category : Crafts & Hobbies
Languages : en
Pages : 343
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Book Description
Bead with beautiful gemstones and create dazzling earrings, bracelets, and more—includes over one hundred projects for all skill levels. You can learn to create gorgeous gemstone jewelry with this collection of over one hundred projects, ranging from eye-catching earrings and accessories to exquisite necklaces and bracelets. This beautiful book offers an impressive range of twenty-eight beautiful semi-precious stones (including birthstones) and a glimpse into the fascinating history and mythical properties behind them. Projects range from the simplest stringing to more detailed beadwork to cater for all levels of ability. Discover a variety of versatile ideas that can be adapted for any type of gem or bead—with clear artwork, vivid photos, and easy-to-follow step-by-step instructions.
Author: George John Younghusband
Publisher:
ISBN:
Category : Crown jewels
Languages : en
Pages : 184
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Book Description
Author: Kennie Lyman
Publisher: Touchstone
ISBN: 9780671604301
Category : Nature
Languages : en
Pages : 388
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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: William D. Birch
Publisher:
ISBN: 9781921833069
Category : Precious stones
Languages : en
Pages : 204
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Book Description
Victoria is often seen as the forgotten state when it comes to gem minerals. The history of gems in Victoria is inextricably linked to the discovery of gold in 1851. In 1854, George Milner Stephen publicised for the first time, the discovery of gems in Victoria. These included blue and white sapphires from Ballarat diggings and rubies, topaz and garnet from the River Ovens in northeast Victoria. In 1857, well-known German natural historian Ludwig Becker reported that these same gems could also be found where there was gold.
Author: Michael Bycroft
Publisher: Springer
ISBN: 3319963791
Category : History
Languages : en
Pages : 369
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Book Description
This edited collection is an interdisciplinary study of gems in the early modern world. It examines the relations between the art, science, and technology of gems, and it does so against the backdrop of an expanding global trade in gems. The eleven chapters are organised into three parts. The first part sets the scene by describing how gems moved around the early modern world, how they were set in motion, and how they were pulled together in the course of their travels. The second part is about value. It asks why people valued gems, how they determined the value of a given gem, and how the value of a gem was connected to its perceived place of origin. The third part deals with the skills involved in cutting, polishing, and mounting gems, and how these skills were transmitted and articulated by artisans. The common themes of all these chapters are materials, knowledge and global trade. The contributors to this volume focus on the material properties of gems such as their weight and hardness, on the knowledge involved in exchanging them and valuing them, and on the cultural consequences of the expanding trade in gems in Eurasia and the Americas.
Author: Frank Bertram Wade
Publisher:
ISBN:
Category : Gems
Languages : en
Pages : 348
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Book Description
Author: Julius Wodiska
Publisher:
ISBN:
Category : Precious stones
Languages : en
Pages : 482
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Book Description
Author: Max Bauer
Publisher: Courier Corporation
ISBN: 0486151255
Category : Antiques & Collectibles
Languages : en
Pages : 324
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Book Description
This classic study begins with a general analysis of precious stones followed by descriptions of their cutting and mounting. The remainder of this volume focuses on the diamond. 52 figures.
Author: Carlos Cornejo
Publisher:
ISBN: 9788589820080
Category : Gemology
Languages : en
Pages : 704
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Book Description
"Brazil was the leading world producer of gold and of diamonds between the mid-18th century and the mid-19th century. At the present time, it is the leading world producer of iron ore, tin and niobium, and an important producer of manganese, aluminium, silicon, tantalum, rare earths, graphite, magnesite and countless other ores.....Brazil is the leading world producer of tourmaline (of all colors), of quartz (colorless, rutilated, amethyst and agate), of beryl (aquamarine, morganite and heliodore, and the second ranking world producer of emerald), of topaz (imperial, blue and colorless), alexandrite, euclase, phenakite and many others" INTRODUCTION.
