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Gemstones Of The World

Gemstones of the World PDF

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Author: Walter Schumann
Publisher: Sterling Publishing Company, Inc.
ISBN: 9781402768293
Size: 80.29 MB
Format: PDF, Mobi
Category : Nature
Languages : en
Pages : 319
View: 5805

Book Description: Provides detailed information regarding the physical characteristics and unique traits of more than 1,800 precious and semiprecious stones, as well as discussing gemstone structure, production, name origin, and symbolism.

Gems Of The World

Gems of the World PDF

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Author: Cally Oldershaw
Publisher: Firefly Books
ISBN: 9780228100072
Size: 74.81 MB
Format: PDF, ePub, Docs
Category :
Languages : en
Pages : 256
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Book Description: -Lavishly illustrated, Gems of the World is intended for anyone who has ever been fascinated by crystals, jewelry, and gems, from general readers to seasoned professionals. It is a fine addition to general collections.- --Booklist, on the previous edition Gems of the World is a practical and comprehensive guide to the identification and properties of precious and semiprecious gems, novelty stones, agates and crystals. This edition has been revised and thoroughly updated. Changes and new features include updated maps of recently established diamond bourses and geographical country changes, plus new gem varieties and localities where they are found, new techniques for producing synthetic gemstones and simulants, and much more. There is comprehensive information on gems: gem formation mining the diamond industry conflict diamonds ethical sourcing crystal structure (diagrams and cuts) optical and physical properties fashioning and cutting (properties and uses) gemstone cuts for diamonds buying a diamond buying colored gemstones imitation and synthetic gemstones gemstone enhancement history of gems famous diamonds caring for gemstones and jewelry a color key of 139 gemstones. The text describes the world's diamond cutting and trading centers, the -diamond pipeline- that flows from mine to retail, and information on the gemstone industry, ethical mining, conflict diamonds and the emergence of new diamond centers. The description directory of gemstones is organized by their chemical composition. The 139 profiles describe each gem's geology, chemistry, properties (such as color, refractive index, and luster), cultural use in history and its value in jewelry. Photographs show the gem as a raw crystal, in common cuts, polished for use, and in some cases, also in a piece of jewelry. Gems of the World is an ideal reference for gemologists, collectors and general readers.

Precious Stones And Gems Of The World


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Author: khalid selmane fares
ISBN: 0968877478
Size: 27.60 MB
Format: PDF, ePub, Docs
Category : Antiques & Collectibles
Languages : en
Pages :
View: 6075

Book Description: This book is a just glimpse from the wonderful world of precious stones and gemstones. It makes identification of individual gem material simple and straightforward. There are many superb photographs combined with informative descriptions for the main gemstones used in jewellery. The term gem and gemstones mean any mineral or organic material used for personal adornment or piece of art because it possesses beauty, durability and rarity. There is over 2600 mineral species only about 100 possess all these characteristics. Silicates compose the largest group of gemstones; oxides and quartz compose the second largest.


Gemstones PDF

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Author: Karen Hurrell
Publisher: Chartwell Books
ISBN: 0785834982
Size: 60.68 MB
Format: PDF, ePub
Category : Nature
Languages : en
Pages : 320
View: 785

Book Description: This fascinating work provides a truly stunning visual guide to the beautiful world of gemstones. It brings together a wealth of information in clearly worded text accompanied by a dazzling collection of color photographs showing gems in their natural and cut states. From subjects as diverse as identifying and collecting minerals and advanced testing, to ethical sourcing of gems, every aspect of gemstones is covered, and is presented with a wealth of research in easy-to-understand sections, making it a must-have reference work for anyone who wants to delve into the exciting world of gems.

Gemstone Of Paradise

Gemstone of Paradise PDF

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Author: G. Ronald Murphy
Publisher: Oxford University Press
ISBN: 0199747598
Size: 50.14 MB
Format: PDF, ePub
Category : Literary Criticism
Languages : en
Pages : 241
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Book Description: The story of the Holy Grail has gripped the imaginations of millions since it first appeared in medieval romances, among them Wolfram von Eschenbach's Middle High German Parzival (c. 1210). Strangely, the Grail is identified in Parzival not as a cup or dish, but as a stone. This oddity is usually interpreted merely as further evidence of the difficulty of discerning the true sources of the Grail legend. G. Ronald Murphy seeks to illuminate this mystery and to enable a far better appreciation of Wolfram's insight into the nature of the Grail and its relationship to the Crusades. Wolfram's -sacred stone- was in fact a consecrated altar, precious by virtue of the sacrament but also, Murphy argues, by virtue of the material from which it was made: a precious green stone associated with the rivers of Paradise. Parzival, Murphy believes, was intended as an argument against continued efforts by Latin Christians to recover the Sepulchre by force. In Wolfram's story, warring Christians and Muslims are brought together in peace by the power of the Grail - a stone Murphy believes still exists. An entirely original reading of Wolfram's famous text, this engrossing and accessible book appeals not only to scholars and students of medieval literature but to anyone who is drawn to the lasting mystery of the Holy Grail.

Gems And Gemstones

Gems and Gemstones PDF

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Author: Lance Grande
Publisher: University of Chicago Press
ISBN: 0226305112
Size: 53.74 MB
Format: PDF, ePub, Docs
Category : Nature
Languages : en
Pages : 369
View: 2748

Book Description: "Gems and Gemstones" features nearly 300 color images of cut gems, precious and semiprecious stones, gem-quality mineral specimens, and fine jewelry to be unveiled in the new Grainger Hall of Gems at the Field Museum in Chicago.