V2EX crystal system

Crystal System

Definition / 定义

crystal system晶系。晶体学中按晶体的对称性与晶格参数关系对晶体进行的基本分类体系,常见有七种晶系:三斜、单斜、正交、四方、三方、六方、立方。(更细的分类还包括“晶类/点群”“空间群”等。)

Pronunciation / 发音

/krstl sstm/

Examples / 例句

The crystal system of quartz is trigonal.
石英的晶系是三方晶系。

By analyzing the X-ray diffraction pattern, scientists can determine a mineral’s crystal system and infer its symmetry.
通过分析 X 射线衍射图样,科学家可以确定矿物的晶系,并推断其对称性。

Etymology / 词源

crystal 来自希腊语 krstallos,原意与“冰/透明的结晶体”相关,后来泛指“晶体”。system 来自希腊语 sstēma,意为“组合、整体”。合起来的 crystal system 指“用于描述与归类晶体结构的分类体系”,在近代晶体学发展(尤其是 1819 世纪对称性理论与晶体测角/衍射方法建立)后成为常用术语。

Related Words / 相关词

Literary Works / 文学作品

  • Introduction to Crystallography(Donald E. Sands)
  • Elements of X-Ray Diffraction(B. D. Cullity & S. R. Stock)
  • Crystallography and Crystal Defects(A. Kelly & G. W. Groves / 后续版本)
  • Manual of Mineral Science(Cornelis Klein & Barbara Dutrow)
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