AM_Ellenbergerite
Formula: Mg3.7 Al3 Ti.3 Si4 O19 H5
Name: Ellenbergerite
Unit cell: 12.2471 12.2471 4.9287 90.0 90.0 120.0 , V=640.22
Space group: P63 (173)

Comodi P , Zanazzi P F , European Journal of Mineralogy , 5 (1993) p.819-829, Structural study of ellenbergerite. Part 1: Effects of high temperature, Sample: I, T = 20 deg C