...This is the reason why mica and other materials tend to peel off. In tectosilicates (also called network silicates), SiO 4 tetrahedrons are connected infinitely, sharing all four oxygen atoms with each other, forming a three-dimensional network structure. However, in many cases, such as feldspar, some of the Si in SiO 4 is replaced by Al. ... *Some of the terminology explanations that mention "tectosilicate" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これが雲母などが薄くはがれやすい原因である。 テクトケイ酸塩tectosilicate(網状ケイ酸塩network silicateともいう)では,SiO4四面体が4個の酸素原子すべてを互いに共有して無限に連なっており,三次元的な網状構造を作っている。ただし長石のように,SiO4のSiの一部をAlが置換しているものも多い。… ※「tectosilicate」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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