Raman spectra of synthetic and natural mullite

详细信息    查看全文

• 作者：Nicolas Bost ; ^{bost.nicolas@orange.fr" class="auth_mail" title="E-mail the corresponding author} ; ^{nicolas.bost@cnrs-orleans.fr" class="auth_mail" title="E-mail the corresponding author} ; Shiyamala Duraipandian ; Guillaume Guimbretiè ; re ; Jacques Poirier
• 关键词：Raman ; Mullite ; Mineralogy ; Material science ; Planetary exploration
• 刊名：Vibrational Spectroscopy
• 出版年：2016
• 出版时间：January 2016
• 年：2016
• 卷：82
• 期：Complete
• 页码：50-52
• 全文大小：759 K

文摘

Mullite (Al_4+2xSi_2−2xO_10−x) is a very rare alumino-silicate mineral that requires high alumina containing rocks and high temperature for its synthesis. In the frame of planetary exploration, this mineral can be a useful probe of very specific past environmental conditions. In this study, we discuss the Raman characterisation (457, 514.5, 633 and 785 nm laser excitation wavelengths) of natural mullite from Mull Island and compare it with the artificial mullite. The natural mullite samples show partially altered {010} cleaved crystals with OH and more octahedral [AlO₆] than synthetic samples.