non-transparent quartz tube 不透明石英管
transparent quartz 透明石英
transparent quartz tube 不透明石英管
transparent quartz cell 透明电解槽
The transparent colourless variety of quartz is still known as rock crystal .
透明无色的水晶仍然是被称为：白水晶。
A mineral, especially a transparent form of quartz, having a crystalline structure, often characterized by external planar faces.
水晶一种具有晶体结构的矿石，尤指石英的一种透明形态，通常其晶面在同一平面上。
Quartz may be transparent, translucent, or opaque, and it may be colorless or colored.
石英可能是透明的、半透明的或不透明的，可能是无色的，也可能有颜色。
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