Diamond:an extremely hard, highly refractive crystalline form of carbon that is usually colorless and is used as a gemstone and in abrasives, cutting tools, and other applications.

〞钻石:一种极其坚硬,高折射率的结晶形状的碳素,常常近于无色,被当作宝石并用于研磨、切割工具以及其它用途上.〞

The metal is hard and brittle when impure, soft and ductile when highly purified. It is relatively abundant, occurring as zircon (also marketed as a natural gemstone )and baddeleyite.

不纯的锆是硬而脆。高纯度的锆为质软、具有延展性的金属，锆的丰度相当高，以锆石矿和斜锆石矿的形式存在。

A transparent emerald-green variety of spodumene,used as a gemstone .

翠绿锂浑石一种透明的黄色到绿色的锂辉石，是一种宝石

A chalcedony that occurs in bands of different colors and is used as a gemstone ,especially in cameos and intaglios.

缟玛瑙一种带有条纹和多种颜色的玉髓，它被用来作饰物的宝石，常用于浮雕和凹雕

Luminosity or brilliance,as of a cut and polished gemstone .

光辉，亮光亮光或光辉，如雕琢发亮的宝石

A reddish or cinnamon-colored variety of transparent zircon,used as a gemstone .

红锆石一种红色或带褐色的透明锆石，可用作宝石

A colorless,blue,yellow,brown,or pink aluminum silicate mineral,often found in association with granitic rocks and valued as a gemstone ,especially in the brown and pink varieties.

黄晶，黄玉一种无色，蓝色，黄色，褐色或粉色的硅化铝矿石，常常与花岗岩伴生并具有宝石的价值，特别是其中的褐色和粉红色种类

A chatoyant stone or gemstone ,such as the cat’s-eye.

纪彩石猫眼等具有变幻光彩的石头或宝石

An apple-green chalcedony used as a gemstone .

绿玉髓用作宝石的苹果绿色的玉髓

Boron: Semimetallic chemical element, chemical symbol B, atomic number 5. Pure crystalline boron is a black, lustrous, very hard but brittle semiconductor that does not occur naturally. Boron compounds are found widely dispersed as various minerals, including borax and the gemstone tourmaline.

硼:半金属的化学元素，化学符号B，原子序数5。纯晶态硼为黑色有光泽的半导体，硬度很高。非天然生成，一般以化合态分散在各种矿物中，如存在于硼砂和电气石内。

A light green,monoclinic pyroxene mineral,CaMgSi2O6,used as a gemstone and refractory.

透辉石一种淡绿色，单斜晶辉石矿，CaMgSi2O6，用作宝石或耐火材料

A Kind of Tong Used in Gemstone Processing-Eight-Square Hand with Angle Measuring Apparatus

一种带测角器的八角手宝石加工夹具

Pass off glass as a gemstone .

用玻璃冒充宝石

A purple variety of corundum used as a gemstone .

紫蓝色宝石一种紫色刚玉，用作宝石

A lilac-colored spodumene used as a gemstone .

紫锂辉石一种淡紫色的锂辉石，用作宝石

A purple or violet form of transparent quartz used as a gemstone .

紫水晶紫色或紫丁香色的透明石英，用作宝石

It does not occur uncombined in nature but is found chiefly as the mineral beryl (of which emerald and aquamarine are gemstone varieties). Beryllium metal, particularly in alloys, has many structural and thermal applications; it is used in nuclear reactors. Beryllium has valence 2 in all its compounds, which are generally colourless and taste distinctly sweet.

自然界不存在单质铍，主要存在于矿物绿柱石(其中祖母绿和海蓝宝石都是宝石型变种)中。金属铍，尤其是铍合金，有许多结构上和热学上的应用;用在核反应堆中。铍在所有化合物中的原子价都是2，这些化合物通常都无色，有独特的甜味。

An extremely hard,highly refractive crystalline form of carbon that is usually colorless and is used as a gemstone and in abrasives,cutting tools,and other applications.

钻石一种极其坚硬，高折射率的结晶形状的碳素，常常近于无色，被当作宝石并用于研磨、切割工具以及其它用途上

Application of Reflected Light Microscope to Identification of Gold and Silver Jewellery and Gemstone

反光显微镜在金银饰品与宝石检测中的应用

As with the birthstone tradition, a gemstone is assigned to each of the twelve zodiac signs.

根据诞生石的传统，十二星座也有对应的宝石。

Luminosity or brilliance, as of a cut and polished gemstone .

光辉，亮光：亮光或光辉，如雕琢发亮的宝石。

Ruby, the common name for the mineral corundum in its red form, is a precious gemstone .

红宝石是对红色矿物刚玉的俗称，它是一种珍贵的宝石。

In both white and gold varieties, it is a popular faux-gemstone in fashion accessories.

琥珀有白色和金色两大类，是非常流行的人造宝石饰品。

Mr Graff, a noted art collector, is a big spender at gemstone auctions.

劳伦斯•格拉夫是知名的艺术品收藏家，在宝石拍卖会上往往出手阔绰。

Gemstone Mineral Resources of Liaoning Province

辽宁省几种宝玉石矿产资源

The most famous royal gemstone in the world is perhaps the Black Prince’s Ruby, the centerpiece of the British Crown Jewels.

全世界最有名的皇家宝石大概是英国皇冠中间那颗『黑王子红宝石』。

The last two are museum exhibits and include an old friend-The Eye, a gemstone I’ve got some history with.

剩下的两个在博物馆里展出还包括一个老朋友——眼睛，我对这个宝石的历史有一点了解。

Gemstone ’s Color Consonance in Jewelry Design

首饰中宝石的色彩搭配

So even though an advertisement may look good, it’s like a gemstone : the setting counts.

所以即使一则广告表面上看起来很不错，它就像一块宝石：环境决定一切。

We have been able to absorb precious metal and gemstone cost increases while improving our gross and operating margins.

我们能够消化贵金属和宝石的成本上涨，同时提高我们的毛利润率和营运利润率。

fashioning gemstone

n.加工宝石的原料

heat treated gemstone

热处理宝石

gemstone testing equipment

宝石检验装置

diamond and gemstone setting jewellery

钻石和镶宝石首饰