Citation: Oberti, R.; Ungaretti, L.; Cannillo, E.; Hawthorne, F. C.; Memmi, I. (1995). Temperature-dependent Al order-disorder in the tetrahedral double chain of C2/m amphiboles Sample: S(6) Note: O(5) y-coordinate changed to reproduce reported bond lengths. European Journal of Mineralogy, 7, pp. 1049-1063.