1.
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。
2.
He's a diamond in the rough.
他是一颗天然的宝石。
3.
artificial foliage of natural stone(non-precious)
人造叶饰,天然石料（非宝石）制
4.
artificial fruit of natural stone (non-precious)
人造蜡制水果,天然石料（非宝石）制
5.
cachou box of natural stone (non-precious)
天然石料（非宝石）制口香糖盒
6.
bowl of natural stone [non-precious, excl. antiques]
天然石料制碗[非宝石,不包括古玩]
7.
cup of natural stone (non-precious)(excl. antiques)
杯子,天然石料（非宝石）制（不包括古玩）
8.
very hard native crystalline carbon valued as a gem.
一种极硬的天然晶体，视为宝石。
9.
Colouration and Gemmological Characters of natural and Synthetic Beryls
天然与合成彩色绿柱石的致色和宝石学特征
10.
These crystals occur in nature and are the gems known as rubies.
这些晶体是天然存在的，人们称之为红宝石。
11.
A natural beryllium silicate, Be2SiO4, occurring as vitreous crystals sometimes used as gems.
硅铍石一种天然铍硅酸脂，Be2SiO4，以玻璃晶体出现，有时用作宝石
12.
necklace of precious or semiprecious stones (natural, synthetic or reconstructed), containing precious metal only as minor constituents
项链,宝石或半宝石制（天然的,合成的或再加工的）,含只作为次要成份的贵金属
13.
an azure blue semiprecious stone.
一种天蓝色的次等宝石。
14.
Diamonds, the hardest natural stone, and rubies and sapphires, the second hardest, are actually rather hard to deface.
钻石（最坚硬的天然石）和次硬的红、蓝宝石，要刮伤其表面其实相当困难。
15.
A green variety of microcline, often used as a semiprecious stone.
天河石，绿长石一种绿色微斜长石，常用作半宝石
16.
Surface microtopography, representation and tracer of microscale vortex dislocation of hydrothermal synthetic sapphires and natural beryls are studied by using atomic force micro-scope and interference microscope.
采用原子力显微镜、干涉显微镜对水热法合成蓝宝石和天然绿柱石等宝石的表面微形貌进行了研究。
17.
that it worketh all contrary effects, but still to the good and benefit of nature.
这宝石，依术土们底话，是能产生种种互相反对的效力，然而总是有利于天禀的。
18.
If a jewel falls into the mire, it remains as precious as before; and though dust should ascend to heaven, its former worthlessness will not be altered.-A L-Jaber
宝石即使落在泥潭里，仍是一样可贵；尘土纵然扬上天，还是没有价值。--贾比尔