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Reprint of the original, first published in 1867.
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.
In addition to his medical practice, lecturing and teaching at the London Hospital, and his publishing of several medical works, the Irish physician Archibald Billing (1791-1881) was also an amateur artist and antiquarian. Beginning with the works of ancient Greece, for him the highest pinnacle of civilization, Billing discusses the use of engraved gems, putting cameos and intaglios in the context of contemporary monumental sculpture, and tracing the history of carving in miniature back to the seal-stones of the Egyptians and Assyrians. He also considers the types and qualities of mineral used in making jewellery, from semi-precious pebbles through to diamonds, and he describes the techniques of cutting precious stones. The work concludes with a translation of the autobiography of the Italian engraver Benedetto Pistrucci (1784-1855), who became chief medallist at the Royal Mint.
Reprint of the original, first published in 1875.
"A complete reference for goldsmiths, collectors, and jewellery makers, this book is a comprehensive guide to identifying, buying, using and caring for a dazzling array of jewels and gems." "Discover the origins of gemstones and understand the process of selecting the raw material. Includes practical advice on how to assess the quality, rarity, grade, durability, and cut of precious and semi-precious stones." "Learn how gems are calibrated, using the industry standard measurements of carats and points, and how they can be treated to improve both colour and clarity. A glossary section clearly explains all of the key terminology used." "Illustrations and colour photographs help you to identify the gemstones available to jewellery makers, from amethysts and diamonds to tourmaline and quartz, and demonstrate how they can be used in different designs and settings."--Jacket
A publication, richly illustrated in colour, of an important and hitherto virtually unknown collection of engraved gems and their mounts, from ancient Greek and Roman, through Renaissance, to neo-classical in style and date, with studies of their subjects and collecting.