AM_Kaolinite_1 Formula: Al2 Si2 O9 H4 Name: Kaolinite Unit cell: 5.1535 8.9419 7.3906 91.926 105.046 89.797 , V=328.71 Space group: C1 (1)

Bish D L , Clays and Clay Minerals , 41 (1993) p.738-744, Rietveld refinement of the kaolinite structure at 1.5 K, Note: sample at T = 1.5 K, Locality: Keokuk, Iowa, USA