The relationship of valence electron structure and multiple isomorphous replacement of Montmorillonite 蒙脱土的价电子结构与其同晶置换
Tourmaline is a kind of gem material with complex structure, composition and isomorphous substitution, which resuslt in diverse types and colors of this gem. 辐照处理是碧玺颜色改善很重要得一种方法。