Unit 1AN INTRODUCTION TO GEM AND GEMOLOGY1 Part ⅠText1 Part ⅡWords and Expressions4 Part ⅢReading Material7 Part ⅣBusiness Nature & Products（Ⅰ）9 Unit 2WHAT ARE SYNTHETIC DIAMONDS10 Part ⅠText10 Part ⅡWords and Expressions13 Part ⅢReading Material15 Part ⅣProducts（Ⅱ）16 Unit 3COLOR17 Part ⅠText17 Part ⅡWords and Expressions19 Part ⅢReading Material22 Part ⅣProducts Ⅲ24 Unit 4REFRACTIVE INDEX AND REFRACTOMETER25 Part ⅠText25 Part ⅡWords and Expressions27 Part ⅢReading Material28 Part ⅣProducts Ⅳ29 Unit 5PRODUCTION PROCESS AND TECHNOLOGY OF JEWELRY30 Part ⅠText30 Part ⅡWords and Expressions33 Part ⅢReading Material35 Part ⅣProducts Ⅴ37 Unit 6THE NOMENCLATURE OF JEWELRYS39 Part ⅠText39 Part ⅡWords and Expressions46 Part ⅢReading Material48 Part ⅣIntroduction Ⅰ50 Unit 7MAINLAND CHINA：A VAST MARKET FOR COLORED GEMSTONES51 Part ⅠText51 Part ⅡWords and Expressions53 Part ⅢReading Material55 Part ⅣIntroduction Ⅱ58 Unit 8GEMSTONE APPRAISALS AND GEMSTONE VALUE60 Part ⅠText60 Part ⅡWords and Expressions62 Part ⅢReading Material63 Part ⅣIntroduction Ⅲ70 Unit 9MAKE A FASHION STATEMENT WITH GEM-SET JEWELRYS72 Part ⅠText72 Part ⅡWords and Expressions75 Part ⅢReading Material77 Part ⅣIntroduction Ⅳ79 Unit 10HOW DOES NEW TECHNOLOGY BENEFIT THE DIAMOND AND JEWELRY INDUSTRY81 Part ⅠText81 Part ⅡWords and Expressions83 Part ⅢReading Material84 Part ⅣIntroduction Ⅴ85 Unit 11JEWELRY-MAKING TECHNIQUES OF ANCIENT GREEK87 Part ⅠText87 Part ⅡWords and Expressions94 Part ⅢReading Material97 Part ⅣIntroduction Ⅵ99 Unit 12THE HISTORY OF LAPIDARY101 Part ⅠText101 Part ⅡWords and Expressions107 Part ⅢReading Material110 Part ⅣTalking about products’ merits & benefits113 Unit 13BLACK & WHITE JEWELRY115 Part ⅠText115 Part ⅡWords and Expressions119 Part ⅢReading Material121 Part ⅣOffering reference material on products128 Unit 14FIND OUT YOUR BIRTHSTONE129 Part ⅠText129 Part ⅡWords and Expressions136 Part ⅢReading Material137 Part ⅣAfter-sales service141 Appendix143 Appendix ⅠGems Nomenclature143 Appendix ⅡVocabulary146 Reference178
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