Ruby, Sapphire, and Emerald Buying Guide pdf epub mobi txt 电子书下载 2024

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简体网页||繁体网页

Renee Newman

Intl Jewelry Pubns

2009-03

188

USD 19.95

Paperback

9780929975412

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发表于2024-11-28

Ruby, Sapphire, and Emerald Buying Guide epub 下载 mobi 下载 pdf 下载 txt 电子书下载 2024

Ruby, Sapphire, and Emerald Buying Guide pdf epub mobi txt 电子书下载 2024

图书描述

This guide helps buyers to evaluate these spectacular gems and it updates professionals on new treatments and sources of corundum and emerald. Using close-up photographs, the book shows how to make visual judgements about clarity, transparency, cut quality and brilliance. In addition, it helps you to understand lab reports and find appraisers and labs. You will also get tips on detecting imitations and synthetic stones. Let this guide provide the in-depth information you will need to be a smart buyer. Topics in this guide include: Quality evaluation; Gem treatments; Fakes and synthetics; Lab reports; Geographic sources; Appraisals; Gem cleaning & care; and, Savvy buying.

Ruby, Sapphire, and Emerald Buying Guide 下载 mobi epub pdf txt 电子书