由于生长过程中产生的应力，所有维尔纳叶合成刚玉都会有这样的分割面。
Due to stress in the growth process, a parting plane forms in all Verneuil grown synthetic corundums.
图1。一批维尔纳叶法工艺生长的半晶柱，演示了这种晶体生长的各种颜色。
Figure 1. A selection of half boules grown by the Verneuil process, illustrating many of the colors these crystals are grown in.
维尔纳叶法合成刚玉是目前市场上最常见的，因此，弧形生长纹和气泡是宝石学家进行鉴定时重要而有力的关键依据。
Verneuil synthetic corundum is by far the most common in the market. Thus it is vital that gemologists are familiar with the key identifying features - curved growth lines and gas bubbles.
北京2008奥运会，在国家游泳中心，阿纳斯塔西娅-达维多娃与阿纳斯塔西娅-叶尔马科娃正在为花样游泳双人技术自选的比赛做着准备。
Anastasia Davydova and Anastasia Ermakova prepare to perform in the duet technical routine synchronised swimming event at the National Aquatics Center during the 2008 Beijing Olympic Games.
北京2008奥运会，在国家游泳中心，阿纳斯塔西娅-达维多娃与阿纳斯塔西娅-叶尔马科娃正在为花样游泳双人技术自选的比赛做着准备。
Anastasia Davydova and Anastasia Ermakova prepare to perform in the duet technical routine synchronised swimming event at the National Aquatics Center during the 2008 Beijing Olympic Games.
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