1.
It enjoys a very important position in China's pearl industry.
是中国宝玉石协会常务理事单位。
2.
The Study on Mineralogical and Gemological Characteristics of Koera Amphible Jade
韩国闪石玉的矿物学、宝石学特征研究
3.
Credit: We assure you that all our products are authentic natural precious gemstones that are appraised by National Gemstone Testing Center.
至信：我们保证所销售产品系经过国家宝玉石鉴定中心鉴定的天然宝石。
4.
Specific names of semi-precious stones are too numerous to mention, but jade is well known to Chinese.
半宝石的个别名称多得不胜枚举，但中国人对玉却一点也不陌生。
5.
The variety of boule includes ruby, starlight ruby, sapphire, beautiful sapphire and starlight sapphire.
刚玉的种类包括（红宝石、星光红宝石、蓝宝石、艳色蓝宝石、星光蓝宝石）。
6.
Any of various yellow gemstones, especially a yellow variety of sapphire or corundum.
黄宝石一种黄色的宝石，特别是黄色的刚玉宝石
7.
National Petroleum Association
全国石油协会国家石油协会
8.
A purple variety of corundum used as a gemstone.
紫蓝色宝石一种紫色刚玉，用作宝石
9.
a kind of pink beryl used as a gemstone.
绿玉的一种，用作宝石。
10.
The Application of the GY-Ⅳ Golden Content in the Testing of Gems;
GY-Ⅳ型黄金成色仪在珠宝玉石检测中的应用
11.
Establishment of "China Diamond Industrial Association" is imperative
组建“中国金刚石工业协会”势在必行
12.
External-beam PIXE analysis of Chinese archaic jades and jade minerals
玉石及中国古代玉器的PIXE分析
13.
Gems & Jewelry and Arts Appraisal Committee of China Appraisal Society
中国资产评估协会珠宝首饰艺术品评估专业委员会
14.
A dealer in precious or semiprecious stones.
玉石商做珍贵的宝石或准宝石生意的人
15.
American Association of Petroleum Geologists
美国石油地质学家协会(石油地质学协)
16.
An apple-green chalcedony used as a gemstone.
绿玉髓用作宝石的苹果绿色的玉髓
17.
A blue precious stone, perhaps the sapphire, known in antiquity.
青玉古代的一种蓝宝石，可能是青玉
18.
Study on Mineralogy, Gemology and the Quantity Evaluation of Nanzheng Serpentine in Hanzhong County, Shanxi Province;
陕西省汉中地区南郑蛇纹石玉的矿物学、宝石学研究及质量评价