The Classification, Identification and Characteristics of Gemstones - A Collection of Historical Articles on Precious and Semi-Precious Stones PDF Download
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Author: Various Publisher: Read Books Ltd ISBN: 1473356423 Category : Science Languages : en Pages : 139
Book Description
This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience. Carefully selecting the best articles from our collection we have compiled a series of historical and informative publications on the subjects of gemology and crystallography. The titles in this range include "Gemstone Manufacturing" "The Optical Properties of Gemstones and Crystals" "The Thirty-Two Classes of Crystal Symmetry" and many more. Each publication has been professionally curated and includes all details on the original source material. This particular instalment, "The Classification, Identification and Characteristics of Gemstones" contains information on gemstone varieties, their properties and much more. Intended to illustrate the main aspects of gemstone classification it is a comprehensive guide for anyone wishing to obtain a general knowledge of the subject and to understand the field in its historical context. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.
Author: Various Publisher: Read Books Ltd ISBN: 1473356423 Category : Science Languages : en Pages : 139
Book Description
This book contains classic material dating back to the 1900s and before. The content has been carefully selected for its interest and relevance to a modern audience. Carefully selecting the best articles from our collection we have compiled a series of historical and informative publications on the subjects of gemology and crystallography. The titles in this range include "Gemstone Manufacturing" "The Optical Properties of Gemstones and Crystals" "The Thirty-Two Classes of Crystal Symmetry" and many more. Each publication has been professionally curated and includes all details on the original source material. This particular instalment, "The Classification, Identification and Characteristics of Gemstones" contains information on gemstone varieties, their properties and much more. Intended to illustrate the main aspects of gemstone classification it is a comprehensive guide for anyone wishing to obtain a general knowledge of the subject and to understand the field in its historical context. We are republishing these classic works in affordable, high quality, modern editions, using the original text and artwork.
Author: Kennie Lyman Publisher: Touchstone ISBN: 9780671604301 Category : Nature Languages : en Pages : 388
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: Michael Bycroft Publisher: Springer ISBN: 3319963791 Category : History Languages : en Pages : 369
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: Catherine Watts Publisher: Taylor & Francis ISBN: 1000891712 Category : History Languages : en Pages : 236
Book Description
Have you ever looked at a word and thought: ‘I wonder where that came from’? You might well find the answer in this book, which considers the origin and formation of some of the many thousands of new words that were coined in English during the nineteenth century in the broad field of ‘science’. Changes in society are often accompanied by the need to find names for such changes which, in turn, has an impact on how the language develops as a result. The British Industrial Revolution ushered in a new era of language change, which led to many new coinages in the English language reflecting scientific knowledge as it developed. Many of these neologisms belong to specialist vocabulary, but others do not, and it is these lay coinages which form the focus of this book and are located within their social, cultural and historical backgrounds. Aimed at postgraduate students of the English language and all those interested in the history of the English language, this work explores new worlds and offers an original and fascinating etymological journey through nineteenth-century science in its broadest sense.
Author: Various
Author: Various
Author: Julius Wodiska
Author: Cally Oldershaw
Author: Kennie Lyman
Author: George John Younghusband
Author: Michael Bycroft
Author: Catherine Watts
Author: Isidore Kozminsky
Author: 
Author: Károly Németh