...This is the reason why cleavage parallel to the extension direction of the chain ( c- axis direction) is likely to occur. In phyllosilicates (also called sheet silicates), SiO 4 tetrahedrons are connected infinitely, sharing three oxygen atoms with each other, forming a two-dimensional flat layer structure. Many phyllosilicates minerals are hydrous minerals, and hydrogen atoms enter between the layers of SiO 4 to form hydroxyl groups (OH). ... *Some of the terminology that refers to "sheet silicate" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…これが鎖の延長方向(c軸方向)に平行なへき開が生じやすい原因である。 フィロケイ酸塩phyllosilicate(層状ケイ酸塩sheet silicateともいう)では,SiO4四面体が3個の酸素原子を互いに共有して無限に連なっており,二次元的な平らな層状構造を作っている。多くのフィロケイ酸塩鉱物は含水鉱物であり,SiO4の形成する層と層の間に水素原子が入り水酸基OHを作っている。… ※「sheet silicate」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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