Citation: Fuchs, Y.; Ertl, A.; Hughes, J. M.; Prowatke, S.; Brandstatter, F.; Schuster, R. (2005). Dumortierite from the Gfohl unit, Lower Austria: chemistry, structure, and infra-red spectroscopy Sample: DUM2. European Journal of Mineralogy, 17, pp. 173-183.
Formula: Al6.61 B F0.009 Fe0.02 H0.849 Mg0.12 O17.991 Si2.83 Ti0.09