二氧化硅有晶体和无定形两种形态晶态二氧化硅主要存在于石英矿中除石英外sio2还有鳞石英和方英石等多种变体 方英石结构和�刚石相似其结构 Template




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tomski二氧化硅有晶体和无定形两种形态晶态二氧化硅主要存在于石英矿中除石英外sio2还有鳞石英和方英石等多种变体 方英石结构和�刚石相似其结构 coloring