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Author : Jerry Sisk,Jim Wells Productions
Publisher : Unknown
Page : 446 pages
File Size : 54,8 Mb
Release : 2016-10-03
Category : Electronic
ISBN : 0692713182
A comprehensive and visual gemology resource featuring more than 100 prominent gemstones.
Author : Gerald D. Sisk (Jr.)
Publisher : Unknown
Page : 266 pages
File Size : 51,5 Mb
Release : 2011
Category : Jewelry
ISBN : 0615562396
Author : Hester Reeve,Helen Pheby
Publisher : Unknown
Page : 160 pages
File Size : 43,8 Mb
Release : 2015
Category : Art, Modern
ISBN : 1908432195
Author : Jerry Sisk,Jim Wells Productions
Publisher : Unknown
Page : 334 pages
File Size : 45,5 Mb
Release : 2016-11-14
Category : Electronic
ISBN : 0692794727
A comprehensive and visual resource featuring over 100 exotic gemstones.
Author : Joel E. Arem
Publisher : Van Nostrand Reinhold Company
Page : 147 pages
File Size : 40,9 Mb
Release : 1977-01-01
Category : Precious stones
ISBN : 0442203330
Author : Anonim
Publisher : Unknown
Page : 270 pages
File Size : 48,6 Mb
Release : 1995-01-01
Category : Precious stones
ISBN : 0873110293
Author : Eduard Josef Gübelin,John I. Koivula
Publisher : Unknown
Page : 829 pages
File Size : 54,7 Mb
Release : 2005
Category : Crystals
ISBN : 3039990292
Author : Renée Newman
Publisher : Unknown
Page : 0 pages
File Size : 41,6 Mb
Release : 2017
Category : Pearls
ISBN : 0929975529
Initially published in 1992, the Pearl Buying Guide was the first book to give consumers details on judging pearl quality and value. The 186 new colour photographs in this updated 6th edition show new types of pearls, clasps and jewellery styles. Current information has been provided on natural pearls, treatments, cultivation and identification techniques. Although technical data is included to aid gemologists in detecting treatments and identifying pearls, the easy reading style and the 364 photos make this a customer-friendly book for both consumers and professionals. If youre looking for an easy-to-read, full colour, affordable pearl handbook that will help you select flattering pearls and spot fakes, this 6th Edition is the best choice available. 186 new photographs of pearls, pearl jewellery, neck pieces and pearl x-radiographs. Updated information on pearl types, geographic sources and freshwater pearls. Expanded chapter on natural pearls. Expanded chapter on "Creating Unique Pearl Jewelry with Colored Gems". New pearls and pearl jewellery styles.
Author : DK
Publisher : Penguin
Page : 442 pages
File Size : 54,8 Mb
Release : 2016-10-04
Category : Antiques & Collectibles
ISBN : 9781465462121
Prepare to be dazzled by this shining and sumptuous visual guide to the world's greatest treasures. Feast your eyes on glittering gemstones, kaleidoscopic minerals, and famous trinkets in this comprehensive exploration of Earth's finest jewels. Following a foreword from Aja Raden, hundreds of pages take a lavish look at precious stones, precious metals, and organic gems in all their natural wonder. From agate to zoisite, everything under the Sun is encapsulated in spectacular photography and accessible text. Trace the history of gemmology and get the inside story on our planet's most famous and fabulous gems, including the mysterious Hope Diamond, the stunning Koh-i-Noor of the Crown Jewels, and exquisite Fabergé eggs. Find out their physical properties, check the price tags, and discover the most remarkable record-breakers. This exceptionally extravagant book is a picture-packed, fact-filled celebration guaranteed to bring sparkle to your life and your library.
Author : Richard W. Hughes,Wimon Manorotkul,E. Billie Hughes
Publisher : Unknown
Page : 816 pages
File Size : 51,8 Mb
Release : 2017-01-01
Category : Electronic
ISBN : 0964509717
From the dawn of time, ruby and sapphire have both attracted and fascinated humans in ways that few other items could.While objects of desire are found throughout the natural world, physical beauty is too often ephemeral. From the allure of a man, woman, flower or butterfly, through the fleeting moments of a sunset, there is little that lasts and practically nothing that can be passed down to our descendants. The exception is precious stones. Not only are they the most durable creations of mother nature, but their visual splendor is truly eternal.In this companion to his 2013 book, Ruby & Sapphire--A Collector's Guide, Richard Hughes examines these gems from the gemological standpoint, delving into these gems not just from the aesthetic, but also from the scientific point of view.The product of nearly 40 years of firsthand experience, it covers every aspect of the subject from A-Z. History, sources, prices, quality analysis, synthetics and treatments, everything is here. Ruby & Sapphire--A Gemologist's Guide represents the most comprehensive book ever written on a single precious stone. With over 1000 photos, maps and illustrations and 3500 references, it is nothing less than a tour-de-force of gemological scholarship.
Author : Richard W. Wise
Publisher : Brunswick House
Page : 0 pages
File Size : 43,8 Mb
Release : 2016
Category : Antiques & Collectibles
ISBN : 0972822321
Finally the real truth about how master jewellers, gemmologists and major auction houses value diamonds and colored gemstones.
Author : William Alexander Deer,W. A. Deer,Robert Andrew Howie,J. Zussman
Publisher : Geological Society of London
Page : 940 pages
File Size : 51,7 Mb
Release : 1982-12-01
Category : Science
ISBN : 1897799888
A second edition, in two parts, of Volume 1 of this well-known reference series. This volume deals mainly with the olivine and garnet groups and also the humite group, zircon, sphene, vesuvianite, the Al2SiO5 (including mullite), topaz, staurolite and chloritoid. The disilicates and ring-silicates are covered in Volume 1B. In the years since the first edition was published, the quantity and scope of research on the olivines, garnets and the aluminosilicates has grown enormously and has given rise to a wide variety of literature. This book, which has been completely rewritten and considerably expanded, summarizes the important research results and presents them in an organized fashion. Each mineral chapter is divided into sections on structure, chemistry, optical and physical properties, distinguishing features and paragenesis. Each chapter is headed by a tabulation of mineral data and a sketch showing optical orientation, and concludes with full references to the literature. Diagrams of the crystal structures are presented and are followed by a discussion of the structural features. The chemical sections include a large number of analyses from which structural formulae have been calculated, illustrating the chemical and paragenetical variation exhibited by each mineral; phase equilibria in relevant systems are fully considered. In the sections on optical and physical properties, particular attention is paid to the correlation of these properties with chemical composition. The principal modes of occurrence are described and discussed in the paragenesis sections; here again correlation with chemistry is emphasized. 11 volumes are available in this series.
Author : Michael Gienger
Publisher : Findhorn Press
Page : 172 pages
File Size : 52,8 Mb
Release : 2005-10-01
Category : Body, Mind & Spirit
ISBN : 9781844093359
A comprehensive directory of all the gemstones currently used in healing, along with information and illustrations of each crystal.
Author : Mohsen Manutchehr-Danai
Publisher : Springer Science & Business Media
Page : 575 pages
File Size : 53,5 Mb
Release : 2013-03-09
Category : Science
ISBN : 9783662042885
The rapid growth of gemological sciences and mineralogy demands a dictionary such as this for gemologists, mineralogists, geologists, jewel dealers, industry and hobbyists. With some 16,000 comprehensive definitions, supplemented by more than 250 diagrams and figures, this is a one-stop reference to any matter dealing with gems and gemology.
Author : P.C. Keller
Publisher : Springer Science & Business Media
Page : 144 pages
File Size : 48,5 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781468466744
Each gem deposit-whether of primary origin in the parent rocks; or secondary as alluvial placers in valley floors, river gravels, or the sand of oceanic shelves presents an eloquent chronicle of the Earth's life story. It reveals to the expert the prodigious processes which formed the present crust of our planet, of which this volume discloses a small but exciting detail. The materials of the Earth's crust are the rocks. In this book, the author expounds on how they were formed, why they altered, why they became the cradles of precious gemstones, how they are categorized, and how they are now exploited by man. What initiates the growth of gemstones? How do they crystallize? Why do gemstones of the same species, originating from different sources, vary? What causes the occurrence of varieties? Why do diamonds, unlike other precious stones, occur not near the Earth's surface in its crust, but deep down beneath it in the upper mantle? These are only a few of the entrancing subjects discussed in this enlightening volume. The reader learns that the Earth is surprisingly alive and altering constantly-sometimes through slow and equable changes and at times by violent and tremendous cataclysms, events from which gemstones issue.