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Terms for subject Jewelry containing to | all forms | exact matches only
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Diamond can be highly polished to its adamantine luster due to its extremely high hardness由于硬度极大,钻石能够高度抛光体现金刚光泽
It is no use employing a polariscope to identify an opaque gemstone利用偏光镜鉴别不透明的宝石是没有用的
The common gem materials tend to be less ductile and weaker一般的宝石材料不易延展,强度较差
The transparency is the ability of a substance to transmit light透明度指一个物体透过光的能力
Toughness is the ability to resist the development of fracture through the body of a material韧性指材料抵抗撕拉的能力