圖書標籤: 珠寶 時尚設計 fashion
发表于2024-11-14
Jeweler's Directory of Gemstones, The pdf epub mobi txt 電子書 下載 2024
A complete reference for goldsmiths, jewelers, and jewelry makers, this beautiful 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. Benefit from practical advice on how to assess the quality, rarity, grade, durability, and cut of precious and semiprecious stones.
Learn how gems are calibrated using the industry standard measurements of carats and points, and how they can be treated to improve both color and clarity. A glossary section clearly explains all of the key terminology used.
Illustrations and color photographs help you to identify the gemstones available to jewelry makers, from amethysts and diamonds to tourmaline and quartz, and demonstrate how they can be used in different designs and settings.
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Jeweler's Directory of Gemstones, The pdf epub mobi txt 電子書 下載 2024