Introduction 11
Chapter One A Brief History of the Exploration and Utilization of Xinjiang's Gems and Jades 15
Chapter Two The Classification of Gems and Jades 25
ChapterThree Gems 31
Section 1 Beryl 31
Section 2 Tourmaline 37
Section 3 Garnet 46
Section 4 Ruby and Sapphire 53
Section 5 Precious Spodumene 58
Section 6 Purple Apatite 60
Section 7 Topaz 62
Section 8 Amazonite 63
Section 9 Diamond 68
Chapter Four Jades 73
Section 1 Nephrite(Hotan Jade and Jasper) 73
Section 2 Kunlun Jade and Serpentine Jade 110
Section 3 Lilac Purple Jade 114
Section 4 Rock Crystal 119
Section 5 Aventurine 127
Section 6 Agate 130
Section 7 Tugu(Yellow-Clay)Jade 135
Section 8 Wax-yellow Jade 137
Section 9 Tekes Green Jade 139
Section 10 Dushan Jade 140
Section 11 Sheep Liver Jade 141
Section 12 Minor Graphic Stone 142
Section 13 Turquoise 143
Chapter Five The Genetic Types,Minerogenetic Features and Direc-tion of Prospecting of Gem and Jade Deposits 145
Section 1 The Genetic Types of Gem and Jade Deposits 145
Section 2 The Minerogenetic Features of Gem and Jade Deposits 147
Section 3 The Direction of Prospecting of Gem and Jade Deposits 157
Appendix:Major consulting document-The Chinese-English names of Xiniiang gems and jades 159
Editorial Note 163