Citation: Weber, S. U.; Grodzicki, M.; Lottermoser, W.; Redhammer, G. J.; Tippelt, G.; Ponahlo, J.; Amthauer, G. (2007). 57Fe Mossbauer spectroscopy, X-ray single-crystal diffractometry, and electronic structure calculations on natural alexandrite Note: changed O1(z) from .788822 to .78822. Physics and Chemistry of Minerals, 34, pp. 507-515.