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Unit 1 AN INTRODUCTION TO GEM AND GEMOLOGY 1 Part ¢ñ Text 1 Part ¢ò Words and Expressions 4 Part ¢ó Reading Material 7 Part ¢ô Business Nature & Products£¨¢ñ£© 9 Unit 2 WHAT ARE SYNTHETIC DIAMONDS 10 Part ¢ñ Text 10 Part ¢ò Words and Expressions 13 Part ¢ó Reading Material 15 Part ¢ô Products£¨¢ò£© 16 Unit 3 COLOR 17 Part ¢ñ Text 17 Part ¢ò Words and Expressions 19 Part ¢ó Reading Material 22 Part ¢ô Products (¢ó) 24 Unit 4 REFRACTIVE INDEX AND REFRACTOMETER 25 Part ¢ñ Text 25 Part ¢ò Words and Expressions 27 Part ¢ó Reading Material 28 Part ¢ô Products (¢ô) 29 Unit 5 PRODUCTION PROCESS AND TECHNOLOGY OFJEWELRY 30 Part ¢ñ Text 30 Part ¢ò Words and Expressions 33 Part ¢ó Reading Material 35 Part ¢ô Products (¢õ) 37 Unit 6 THE NOMENCLATURE OF JEWELRYS 39 Part ¢ñ Text 39 Part ¢ò Words and Expressions 46 Part ¢ó Reading Material 48 Part ¢ô Introduction (¢ñ) 50 Unit 7 MAINLAND CHINA£ºA VAST MARKET FOR COLOREDGEMSTONES 51 Part ¢ñ Text 51 Part ¢ò Words and Expressions 53 Part ¢ó Reading Material 55 Part ¢ô Introduction (¢ò) 58 Unit 8 GEMSTONE APPRAISALS AND GEMSTONE VALUE 60 Part ¢ñ Text 60 Part ¢ò Words and Expressions 62 Part ¢ó Reading Material 63 Part ¢ô Introduction (¢ó) 70 Unit 9 MAKE A FASHION STATEMENT WITH GEM-SETJEWELRYS 72 Part ¢ñ Text 72 Part ¢ò Words and Expressions 75 Part ¢ó Reading Material 77 Part ¢ô Introduction (¢ô) 79 Unit 10 HOW DOES NEW TECHNOLOGY BENEFIT THE DIAMOND AND JEWELRY INDUSTRY 81 Part ¢ñ Text 81 Part ¢ò Words and Expressions 83 Part ¢ó Reading Material 84 Part ¢ô Introduction (¢õ) 85 Unit 11 JEWELRY-MAKING TECHNIQUES OF ANCIENT GREEK 87 Part ¢ñ Text 87 Part ¢ò Words and Expressions 94 Part ¢ó Reading Material 97 Part ¢ô Introduction (¢ö) 99 Unit 12 THE HISTORY OF LAPIDARY 101 Part ¢ñ Text 101 Part ¢ò Words and Expressions 107 Part ¢ó Reading Material 110 Part ¢ô Talking about products¡¯ merits & benefits 113 Unit 13 BLACK & WHITE JEWELRY 115 Part ¢ñ Text 115 Part ¢ò Words and Expressions 119 Part ¢ó Reading Material 121 Part ¢ô Offering reference material on products 128 Unit 14 FIND OUT YOUR BIRTHSTONE 129 Part ¢ñ Text 129 Part ¢ò Words and Expressions 136 Part ¢ó Reading Material 137 Part ¢ô After-sales service 141 Appendix 143 Appendix ¢ñ Gems Nomenclature 143 Appendix ¢ò Vocabulary 146 Reference 178