弯曲生长纹是所有焰熔法合成刚玉的一个显著特征。
Curved growth lines are a prominent feature of virtually all Verneuil synthetic corundums.
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.
水热合成刚玉反应时，合适矿化剂的引入能改变反应介质的酸碱度，并可加快反应速度。
The introduction of proper mineralizers into the hydrothermal reaction process can change the alkalinity acidity of reaction media and speed up the reaction process.
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.
刚玉—莫来石棚板：是以电熔刚玉、莫来石复合成型经高温烧结而成。
Corundum-mullite Board: it is made by high sintering corundum and mullite together.
刚玉—莫来石棚板：是以电熔刚玉、莫来石复合成型经高温烧结而成。
Corundum-mullite Board: it is made by high sintering corundum and mullite together.
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