Citation: Gottschalk, M.; Fockenberg, T.; Grevel, K.-D.; Wunder, B.; Wirth, R.; Schreyer, W.; Maresch, W. V. (2000). Crystal structure of the high-pressure phase Mg4(MgAl)Al4[Si6O21/(OH)7]: an analogue of sursassite Sample: A53. European Journal of Mineralogy, 12, pp. 935-945.