| 释义 |
石英shíyīng矿物,成分是二氧化硅,质地坚硬,纯粹的石英叫做水晶,无色透明。含杂质时,有紫、褐、淡黄、深黑等颜色,一般是乳白色、半透明或不透明的结晶。工业上用来制造光学仪器、无线电器材、耐火材料、玻璃或陶瓷等。{quartz; hard mineral composed of silicon dioxide. Pure quartz is called crystal, which is colourless and transparent, while that containing impurities is purple, brown, light yellow or dark black in colour, but usu. it is in the form of milk white, semi-transparent or opaque crystal. Quartz is used to produce industrial products such as optical instruments, radio equipment, refractory materials, glass or ceramics.} |