Perchiazzi, N.; McDonald, A. M.; Gault, R. A.; Johnsen, O.; Merlino, S. (1 June 2000). "The Crystal Structure of Normandite and Its Crystal-Chemical Relationships With Lavenite". The Canadian Mineralogist. 38 (3): 641–648. CiteSeerX10.1.1.577.3937. doi:10.2113/gscanmin.38.3.641.
Perchiazzi, N.; McDonald, A. M.; Gault, R. A.; Johnsen, O.; Merlino, S. (1 June 2000). "The Crystal Structure of Normandite and Its Crystal-Chemical Relationships With Lavenite". The Canadian Mineralogist. 38 (3): 641–648. CiteSeerX10.1.1.577.3937. doi:10.2113/gscanmin.38.3.641.