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Prism Ruby
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Download or read book Lasers and Masers written by and published by . This book was released on 1965 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Prisms written by James Thorington and published by . This book was released on 1913 with total page 176 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Mineralogy and Geochemistry of Ruby by : Frederick Lin Sutherland
Download or read book Mineralogy and Geochemistry of Ruby written by Frederick Lin Sutherland and published by MDPI. This book was released on 2020-12-07 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.
Download or read book Gemmology written by Peter G. Read and published by Butterworth-Heinemann. This book was released on 2005 with total page 341 pages. Available in PDF, EPUB and Kindle. Book excerpt: This edition has been completely revised to cover the latest methods of gem enhancement and identification, as well as the most up-to-date test instruments and laboratory techniques.
Book Synopsis Television and Terror by : A. Hoskins
Download or read book Television and Terror written by A. Hoskins and published by Springer. This book was released on 2007-12-03 with total page 227 pages. Available in PDF, EPUB and Kindle. Book excerpt: The advent of the twenty-first century was marked by a succession of conflicts and catastrophes that demanded unrestrained journalism. Hoskins and O'Loughlin demonstrate that television, tarnished by its economy of liveness and its impositions of immediacy, and brevity, fails to deliver critical and consistent expositions of our conflicting times.
Download or read book NASA SP. written by and published by . This book was released on 1965 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Gemmology written by P. G. Read and published by Elsevier. This book was released on 2013-10-22 with total page 375 pages. Available in PDF, EPUB and Kindle. Book excerpt: Gemmology is a text for students preparing for the Gemmological Association's Preliminary and Diploma examinations. The book is more expansive and up-to-date than the author's earlier book, Beginner's Guide to Gemmology. The book deals with the practical and theoretical sides of gemmology. Tracing the background and science of gemmology, the book covers the gem material, geological formation, and occurrence of gemstones on the earth. The composition of gemstones from the atoms, elements, molecules, and compounds comprising them is analyzed, and the relationship between chemical composition and durability of the stone is explained. The basics of crystallography is mentioned as a tool toward understanding gemmology after which cleavage, parting, and fracture are done. A gemstone's durability and hardness and how the latter influences engineering tests and the mining techniques are compared. An important test technique to identify unmounted stones is the measure of specific gravity using displacement measurement methods and hydrostatic methods. After more descriptive details are given in identification of gemstones, whether these are synthetic or simulants, through a comprehensive explanation of the materials found in these other gemstones, the fashioning, through shaping or polishing, of gemstones is explained. Emphasis is given on the critical angle in which light rays pass in different rock densities, and then the cutting styles, gemstone polishing, and grading are discussed. Students studying for the Gemmological Association's Preliminary and Diploma examinations, jewelers, lapidarists, and diamond cutters, as well as those engaged in the hobby of gemmology, will find this book helpful and full of information toward their endeavors and hobbies.
Book Synopsis Holography and Optical Filtering by :
Download or read book Holography and Optical Filtering written by and published by . This book was released on 1973 with total page 208 pages. Available in PDF, EPUB and Kindle. Book excerpt: Holography and optical filtering techniques for structural analysis, material tests, and astronomical observation - conference.
Book Synopsis Refraction of the Human Eye and Methods of Estimating the Refraction by : James Thorington
Download or read book Refraction of the Human Eye and Methods of Estimating the Refraction written by James Thorington and published by . This book was released on 1916 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solid-State Laser Engineering by : Walter Koechner
Download or read book Solid-State Laser Engineering written by Walter Koechner and published by Springer. This book was released on 2013-11-11 with total page 759 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book has once again been updated to keep pace with recent developments and to maintain Koechner's position as "the bible" of the field. Written from an industrial perspective, it provides a detailed discussion of, and data for, solid-state lasers, their characteristics, design and construction.
Download or read book NBS Special Publication written by and published by . This book was released on 1973 with total page 996 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1969 with total page 362 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis With Courage and Common Sense by : Susan Wittig Albert
Download or read book With Courage and Common Sense written by Susan Wittig Albert and published by University of Texas Press. This book was released on 2010-01-01 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: Women who were sixty or older at the turn of the twenty-first century have lived through some of recent history's most momentous moments—and yet these women often believe that their personal lives and stories are insignificant, not worthy of being recorded for future generations. To change that perception and capture some of these life stories before they are lost, the Story Circle Network, a national organization dedicated to helping women write about their lives, developed the Older Women's Legacy (OWL) Circle Memoir Workshops. During the first two years of the project (1998-2000), nearly 500 older women participated in workshops that offered them the opportunity and encouragement to reflect on and create written records of their lives. With Courage and Common Sense presents an extensive selection of memoirs from the OWL Circle project. Organized thematically, they describe women's experiences of identity, place, work, family life, love and marriage, loss and healing, adventures great and small, major historical events, and legacies to keep and pass along. Taken as a whole, the memoirs chronicle far-reaching changes in the ways that women participated in the world during the twentieth century. They show how women learned to surmount obstacles, to courageously make the most of the opportunities that came their way, and to move quietly and wisely beyond the limits that were imposed upon them.
Book Synopsis Lasers and Masers: a Continuing Bibliography by : United States. National Aeronautics and Space Administration
Download or read book Lasers and Masers: a Continuing Bibliography written by United States. National Aeronautics and Space Administration and published by . This book was released on 1965 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Diamonds and Precious Stones by : Harry Emanuel
Download or read book Diamonds and Precious Stones written by Harry Emanuel and published by . This book was released on 1865 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Solid-State Lasers by : Walter Koechner
Download or read book Solid-State Lasers written by Walter Koechner and published by Springer Science & Business Media. This book was released on 2006-05-29 with total page 420 pages. Available in PDF, EPUB and Kindle. Book excerpt: Koechner's well-known ‘bible’ on solid-state laser engineering is now available in an accessible format at the graduate level. Numerous exercises with hints for solution, new text and updated material where needed make this text very accessible.
Book Synopsis An Encyclopaedia of Domestic Economy by : Thomas Webster
Download or read book An Encyclopaedia of Domestic Economy written by Thomas Webster and published by . This book was released on 1844 with total page 1324 pages. Available in PDF, EPUB and Kindle. Book excerpt: