Learn to identify gemstones in and for jewelry with this must-have guide! Packed with fascinating gemological details and up-to-date information on more than 70 of the most exquisite gemstones, Gemsto
For goldsmiths, collectors, jewelry-makers, investors, retailers and consumers. The trade of gemstones is a highly specialized and often secretive business. Using The Jeweler's Directory of Gemston
A well-illustrated reference for anyone needing to make accurate judgements about gemstones, including sources and grading, settings, cutting and faceting, gemstone groups, appraising, spotting synth
Provides a broad survey across important aspects for understanding mechanisms of immunity to infectious disease, including general features of antibodies and approaches to antibody discovery, individu
The completely updated step-by-step guide to?capturing experiences in sketch format—regardless of artistic abilityRecording your ideas and observations primarily in pictures instead of words can help