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锆石; 锆英石; 锆土 | |||
错英石; 错土 | |||
锆英石 (ZrSiO4); 锆英石 (【技】 w (ZrO₂) 67. 01 %, w (SiO₂)32.99%, 亦称锆石。有些锆英石有放射性。其晶体为短柱状属四方晶系。其颜色不一,有的无色,亦有淡黄、浅灰、淡黄绿、棕黄和淡红褐色,有金刚石光泽。锆英石的耐火度在 2000°C 以上,但随着杂质含量的增加耐火度相应下降。主要以副产物形成于霞石正长岩和碱性伟晶岩中。可用于陶瓷、玻璃、铸造和耐火材料等工业中,用于生产锆英石质耐火材料、保护人造卫星的保护罩、电熔氧化锆等。) | |||
锆石 (含量); 风信子石; 风信子矿 | |||
English thesaurus | |||
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A brown to colorless mineral, which is heated, cut, and polished to form a brilliant blue-white gem. |
zircon : 63 phrases in 12 subjects |
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