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Author : Eduard Josef Gübelin,John I. Koivula
Publisher : Unknown
Page : 829 pages
File Size : 41,6 Mb
Release : 2005
Category : Crystals
ISBN : 3039990292
Author : Eduard Josef Gübelin,John I. Koivula
Publisher : Gemological Institute of America
Page : 542 pages
File Size : 41,9 Mb
Release : 1986
Category : Crystals
ISBN : UCSD:31822002415537
Author : E. Gübelin
Publisher : Unknown
Page : 128 pages
File Size : 46,5 Mb
Release : 1986
Category : Electronic
ISBN : OCLC:1123480611
Author : Howell G. M. Edwards,John M. Chalmers,Royal Society of Chemistry (Great Britain)
Publisher : Royal Society of Chemistry
Page : 497 pages
File Size : 51,8 Mb
Release : 2005
Category : Antiques & Collectibles
ISBN : 9780854045228
Raman Spectroscopy in Archaeology and Art History highlights the important contributions Raman spectroscopy makes as a non-destructive method for characterising the chemical composition and structure and in determining the provenance and authenticity of objects of archaeological and historical importance. It brings together studies from diverse areas and represents the first dedicated work on the use of this technique in this increasingly important field. Coverage includes: An Introduction to Raman Spectroscopy, including practical aspects of Raman spectroscopy and complementary techniques; Dyes and Pigments; Artefacts; Biological Materials and Degradation; Jewellery and Precious Stones. The book contains a broad selection of real-world examples in the form of case studies to provide the reader with a true appreciation of the procedures that need to be invoked to derive spectroscopic information from some of the most challenging specimens and systems. Colour illustrations of objects of investigation and a database of 72 Raman spectra of relevant minerals are included. With its extensive examples, Raman Spectroscopy in Archaeology and Art History will be of particular interest to specialists in the field, including researchers and scientific/conservation staff in museums. Academics will find it an invaluable reference to the use of Raman spectroscopy.
Author : John I. Koivula
Publisher : Unknown
Page : 157 pages
File Size : 42,6 Mb
Release : 2000
Category : Diamonds
ISBN : 0964173352
Author : Richard W. Hughes,Wimon Manorotkul,E. Billie Hughes
Publisher : Unknown
Page : 816 pages
File Size : 40,6 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 : Paul T. Craddock
Publisher : Routledge
Page : 642 pages
File Size : 45,6 Mb
Release : 2009
Category : Antiques & Collectibles
ISBN : 9780750642057
"Scientific Investigation of Copies, Fakes and Forgeries is a comprehensive guide to the technical and scientific study of the authenticity of a wide range of antiquities and artworks. It is the first book to provide a full survey of the subject of forgery from a scientific basis, examining a wide range of materials and techniques." "The demand for copies, fakes and forgeries is driven by rising prices in an international marketplace. The book examines the available new technologies and ever more sophisticated forging techniques, looking at production and distribution of fraudulent artworks. The subject is exemplified by numerous internationally based case studies, some turning out not to be as conclusive as is sometimes believed." "The book is aimed at those who need to understand the available approaches to and methods of scientific and technical authentication, be they curator, collector, conservator or scientist." --Book Jacket.
Author : Jerry Sisk,Jim Wells Productions
Publisher : Unknown
Page : 446 pages
File Size : 45,6 Mb
Release : 2016-10-03
Category : Electronic
ISBN : 0692713182
A comprehensive and visual gemology resource featuring more than 100 prominent gemstones.
Author : B. Anderson
Publisher : Read Books Ltd
Page : 254 pages
File Size : 41,9 Mb
Release : 2013-04-16
Category : Science
ISBN : 9781447494652
This unusual work is a complete treatise on the identification of precious stones that is thoroughly recommended for inclusion on the jeweller or antiquarian's bookshelf. Contents Include: Preface; How to Use The Book; Refractive Index and its Measurement; Double Refraction and How to Detect it; Colour, Colour Filters and the Dichroscope; Specific Gravity and How to Measure It; Detection of Synthetic and Imitation Stones; The Use of the Microscope; The Identification of Diamond; The Identification of Ruby; The Identification of Sapphire; The Identification of Emerald; Aquamarine and Alexandrite; The Identification of Zircon; The Identification of Topaz; The Identification of Pink, Mauve, etc. Stones; The Identification of Brown and Orange Stones; Quartz, Opal, and Garnets; Tourmaline, Peridot, and Spinel; Identification of Translucent and Opaque Stones; Amber, Tortoiseshell, Coral, and Jet; Pearls: Real, Cultured, and Imitation; Appendix: Glossary, Alphabetical Summary of Gem Species, Crystal Systems, Bibliography, Specific Gravity and Refractive Index Tables; Names and Addresses of Recommended Suppliers; and an Index. Many of the earliest books, particularly those dating back to the 1900s and before, are now extremely scarce and increasingly expensive. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.
Author : Ronald Ringsrud
Publisher : Unknown
Page : 128 pages
File Size : 47,8 Mb
Release : 2009
Category : Emeralds
ISBN : OCLC:300686469
Author : Andrzej W. Miziolek,Vincenzo Palleschi,Israel Schechter
Publisher : Cambridge University Press
Page : 640 pages
File Size : 43,9 Mb
Release : 2006-09-07
Category : Technology & Engineering
ISBN : 0521852749
Laser Induced Breakdown Spectroscopy (LIBS) is an emerging technique for determining elemental composition. With the ability to analyse solids, liquids and gases with little or no sample preparation, it is more versatile than conventional methods and is ideal for on-site analysis. This is a comprehensive reference explaining the fundamentals of the LIBS phenomenon, its history and its fascinating applications across eighteen chapters written by recognized leaders in the field. Over 300 illustrations aid understanding. This book will be of significant interest to researchers in chemical and materials analysis within academia and industry.
Author : Nick Crawford,David Anderson
Publisher : Unknown
Page : 0 pages
File Size : 46,9 Mb
Release : 2010-10
Category : Agates
ISBN : 0955810612
This text provides a comprehensive account of the agates of Scotland including more than 800 full colour images, an in-depth exploration of where these beautiful stones can be found, a description of techniques for their preparation and information on their history and use in jewellery.
Author : Stefanos Karampelas,Lore Kiefert,Danilo Bersani,Peter Vandenabeele
Publisher : Springer Nature
Page : 120 pages
File Size : 50,6 Mb
Release : 2020-03-10
Category : Social Science
ISBN : 9783030354497
This book provides a lucid introduction to the basics of gemmology. It familiarizes archaeologists, art historians and conservators with the science of gemstones and allows them to understand the basic concepts of their provenance, typology and treatments. Which are the main types of gems? What treatments can be applied? How does one analyse gems? How can gems contribute to archaeometrical research? This volume is written by four experts in the fields of gemmology and archaeometry and addresses both students who need an introduction to this field and professionals who want to refresh their knowledge of the topic. This work is part of a series of introductory texts that deal with a broad range of materials-related topics in archaeometry.
Author : Frederick Lin Sutherland,Khin Zaw
Publisher : MDPI
Page : 234 pages
File Size : 48,7 Mb
Release : 2020-12-07
Category : Science
ISBN : 9783039436156
Ruby, red corundum, is a gem mineral with mineral properties, gem characteristics and chemistry that are reliant on critical trace element substitutions in its aluminum oxide crystal structure. Ruby has attracted scientific and economic interest. It has already been studied extensively regarding its widespread global distribution and the diversity of its geological associations, as revealed by exploration and exploitation. Researchers are becoming increasingly aware that geographic typing of ruby characteristics and its host assemblages may guide further exploration and provide checks on reputed sources of both rough and cut stones. Genetic pointers, based on fluid and solid mineral inclusions, oxygen and other isotope values and pressure and temperature estimates, have already yielded much genetic information. Rare ruby in mantle xenoliths, TP ~1100o C, 2GPa, epitaxial diamond in ruby and ruby in diamond have special interest. Amid the present extensive documentation on this singular gem mineral, new insights and co-existing associations remain to be discovered. Although ruby largely appears in metamorphic and metasomatic source rocks, newer studies suggest it may also arise from magmatic sources. Age-dating of a range of mineral inclusions in ruby now allows more precise modelling of ruby genesis. Tectonic aspects of ruby genesis related to early collisional plate events on Earth are also a frontier for further understanding. In addition, ruby growth remains an important phase in metamorphic studies of events in some young collisional zones. This Special Issue planned for Minerals aims to attract further studies on this multi-origin gem mineral. Investigations at the ‘economic border’ of ruby and sapphire nomenclature and relevant treatments affecting ruby color will be considered.
Author : Richard W. Wise
Publisher : Brunswick House
Page : 0 pages
File Size : 47,5 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.