smoky quartz

常见例句

In this article the defects in synthetic smoky quartz have been studied by X-ray topography.
本文应用X 射线衍射形貌术对人工烟水晶中的缺陷进行了研究。
Natural quartz crystal from DONGHAI, JIANG SU mostly include amethyst, smoky quartz and yellow quartz.
东海天然有色水晶主要有紫晶、烟晶、黄水晶。
The mechanism of the influence of doping transition metal ions onthe color centers in synthetic smoky quartz has also been studied based on the quartz structure.
从晶体结构出发，探讨了过渡金属离子介入后对人工烟水晶中色心影响的机制。

Suspended from a watch chain connected to a waistcoat, these small stamps were set with amethyst, bloodstone, carnelian or smoky quartz, engraved with the family crest and used to seal documents with wax.
FORBES: Evita's Rocks