Ⅰ. INTRODUCTION The structure of an orthopyroxene was first determined by Warren and Modell when they found that orthopyroxene contains the typical SiO3 chains similar to those of diopside; Bystrm improved the atomic...Ⅰ. INTRODUCTION The structure of an orthopyroxene was first determined by Warren and Modell when they found that orthopyroxene contains the typical SiO3 chains similar to those of diopside; Bystrm improved the atomic parameters of enstatite; Ito studied the structure of bronzite with ionisat spectrometer; and Lindemann published the atomic coordinates for an orthoenstatite. Later the cell dimensions of natural ortho-展开更多
文摘Ⅰ. INTRODUCTION The structure of an orthopyroxene was first determined by Warren and Modell when they found that orthopyroxene contains the typical SiO3 chains similar to those of diopside; Bystrm improved the atomic parameters of enstatite; Ito studied the structure of bronzite with ionisat spectrometer; and Lindemann published the atomic coordinates for an orthoenstatite. Later the cell dimensions of natural ortho-