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