This title offeres advice and shape, cutting style, carat weight, colour and clarity for those purchasing coloured gemstones with a brief description of differnet types of stones

A full-colour guide for lay people and professionals about gold, platinum, palladium, silver, copper, bronze, brass, iron, titanium, niobium, aluminium, stainless steel, Damascus steel, tungsten carbide and cobalt chrome. This book explains how to test, buy, sell, and care for jewellery with precious and alternative metals. High-quality colour photographs show how these metals are creatively used in jewellery. Besides providing an historical perspective and interesting facts about the metals, this book discusses jewellery manufacturing methods, plating and responsible mining & business...

This is volume three in a series of books that explains with close-up photos the price factors and identifying traits of unusual gems. The stones are shown not only loose but also in jewellery, in the rough, under magnification and as beads. Fun facts, historical anecdotes, geographic sources, gem treatment information, cutting advice, gemstone lighting recommendations, and tips on gem care are included along with diagrams and tables to aid in identification and evaluation. If you are interested in matrix opal, fire agate, blue chalcedony, Paraiba tourmaline, rubellite or other tourmalines,...