天然的水晶一般都会有絮状（绵绺），也就是大家俗称的瑕疵，这是液体水落石出和二氧化碳的小孔穴，而人工合成的水晶就不会有这样的特征。

③、粗抛光：是将模具压出之毛胚，以金刚石盘直接磨出成品之刻线。④、细抛光：在粗抛光之后，以抛光粉来磨成品至晶莹剔透为止。

看做工：水晶制品加工过程分为两种，即磨工和雕工。如水晶项链、手链、耳环等属于研磨品；观音像、内画鼻烟壶等属于雕刻品。

Fig. 7: A template-directed strategy can control The position of setting up blocks with a floor in the formation of elaborate structures.

25If you are a Billy Crystal admirer, you may enjoy this film.如果你是比利·克里斯特尔的影迷，你就会喜欢这部电影。《柯林斯英汉双解大词典》

Lattices may have a single lattice point for each mobile or more than one, yielding a total of 14 Bravais crystal lattice types. Bravais lattices, named for physicist and crystallographer Auguste Bravais, describe the a few-dimensional array produced by a list of discrete factors.

根据包裹体和主晶宝石之间形成的先后关系可将水晶的包裹体划分以下三种类�?

26Some of the finest consuming glasses are produced from direct crystal.一些最精致的酒杯是用铅晶质玻璃制成的。《柯林斯英汉双解大词典》

包裹体常见有固相、固液气三相组合、空洞以及双晶、色带等。水晶中典型的同生包裹体有自形的锐钛矿、气液两相包体等。

英语-中文（简体） term #beta Beta /beta #preferredDictionaries ^chosen name /picked /preferredDictionaries

. The next layer is shaded from the determine. It has the identical plane-triangular composition; the atoms sit from the holes formed by the very first layer. The first layer has two equivalent sets of holes, but the atoms of the 2nd layer can occupy only one set. The third layer, labeled C

Fig. 1: Schematic of crystal formation from creating blocks composed of a particle core along with a shell of DNA ligands hooked up to your particle floor.

⑤、打孔：是在水晶成品未完成前，根据其所需打孔之尺寸及位置，以钻头加工，如制表件、笔筒、瓶孔等。

Binary crystals are present in a lot of structures. Some pairs of aspects variety more than one construction. At room temperature, cadmium sulfide may perhaps crystallize both during the zinc blende or wurtzite framework. Alumina also has two feasible constructions at area temperature, α-alumina (corundum) and β-alumina. Other binary crystals show click here diverse constructions at unique temperatures. Among the most complex crystals are These of silicon dioxide (SiO2), which has seven distinctive structures at several temperatures and pressures; the most common of such buildings is quartz.