Mineral collected from Wenshan Co., Yunan Province, China. Image credit: Raman Spectra Database of Minerals and Inorganic Materials (RASMIN) at http://www.aist.go.jp/RIODB/rasmin/E_index.htm
Micrograph of thin section of bauxite. Method: Polarized Light Microscopy. Image obtained from Olympic Microscopy Resource Center website on Sept 17, 2005 at Image Galleries