In this book you will learn more about each type of black diamonds, their origin, composition, structure, human applications, also you will be able to read about the largest natural specimens of black diamonds ever found and cut into beautiful jewelry settings. You will find it interesting to read about their history and unique characteristics. We will also consider methods for identifying black diamonds, as well as their imitation and synthetic diamonds.
Wentworth is in Yorkshire and was surrounded by 70 collieries employing tens of thousands of men. It is the finest and largest Georgian house in Britain andbelonged to the Fitzwilliam family. It is England's forgotten palace which belonged to Britain's richest aristocrats. Black Diamonds tells the story of its demise: family feuds, forbidden love, class war, and a tragic and violent death played their part. But coal, one of the most emotive issues in twentieth century British politics, lies at its heart. This is the extraordinary story of how the fabric of English society shifted beyond recognition in fifty turbulent years in the twentieth century.
Diamonds in Nature: A Guide to Rough Diamonds illustrates the range of crystal shapes, colours, surface textures, and mineral inclusions of rough, uncut, naturally forming diamonds. Each chapter contains photographs that show the unique physical characteristics of the diamonds, and the accompanying text describes the processes that led to their formation. This book is an invaluable reference manual for professional geoscientists—including gemmologists and exploration geologists.
This is the first published guide to Herkimer diamonds, striking quartz crystals, that includes all important aspects of interest to anyone curious about this unique form of the mineral quartz. Over 210 vivid color images of important specimens, associated minerals, and field shots illustrate the informative text and enhance the reader's experience. The text includes the most recent scientific information regarding Herkimer diamonds' geological and mineralogical history, where they can currently be found, descriptions of important historic locations, and the inclusion of noteworthy peripheral localities. The specific methods used to effectively field collect Herkimer diamonds are detailed, including photos of mining methods and a discussion of collecting strategy. Additionally, the mines are enumerated, the gear readers need is detailed, specimen preparation, mineral collections, and associated minerals recounted. This is the essential guide for every collector of these well known and much sought minerals, a guide only a seasoned field collector can provide.
This pocket handbook to Scotland's capital contains informed accounts of all the city's historic buildings, galleries and attractions from the ancient Castle to the new National Museum of Scotland. The guide includes the pick of the day trips - from Glasgow, Stirling and St Andrews to Highland walks and sandy beaches.
