1.
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
2.
A purple variety of corundum used as a gemstone.
紫蓝色宝石一种紫色刚玉，用作宝石
3.
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）。
4.
a precious transparent stone of rich blue corundum valued as a gemstone.
一种珍贵的透明蓝色刚玉，用作宝石。
5.
Effect of Brown Corundum and Bauxite on Properties of Chinese Calcined Flint Clay Gunning Refractory
棕刚玉、铝矾土对焦宝石基喷涂料性能的影响
6.
a transparent deep red variety of corundum; used as a gemstone and in lasers.
一种透明的深红色刚玉，经雕琢后可用作宝石，亦可用于激光器。
7.
Ruby is less valuable than diamond .
红宝石不如金刚石贵重。
8.
Diamonds and rubies are gems.
金刚石和红宝石都是宝石。
9.
a kind of pink beryl used as a gemstone.
绿玉的一种，用作宝石。
10.
A diamond is a precious stone.
金刚钻是一种宝石。
11.
A dealer in precious or semiprecious stones.
玉石商做珍贵的宝石或准宝石生意的人
12.
An apple-green chalcedony used as a gemstone.
绿玉髓用作宝石的苹果绿色的玉髓
13.
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
14.
A Treasured Jade in Form,A Hard Rock in Essence--An Analysis of the Implied Meaning of the Name of Jia baoyu, a Character from the Chinese Classic Novel A Dream of the Red Mansion;
假宝玉,真顽石——《红楼梦》贾宝玉名字的寓意探析
15.
Carbonates and sulfates-bearing melt inclusions in corundum megacrysts from Changle basalts of Shandong Province and their implications
昌乐玄武岩内刚玉巨晶(蓝宝石)中发现富碳酸盐和硫酸盐熔融包裹体及其意义
16.
"and on it they put four lines of stones: in the first line was a carnelian, a chrysolite, and an emerald;"
上面镶着宝石四行，第一行是红宝石，红璧玺，红玉，
17.
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
18.
A transparent blue-green variety of beryl, used as a gemstone.
海蓝宝石，水蓝宝石一种透明青绿色绿玉，用作装饰性宝石