CLAY MINERALS Southern Research
1:1 Clay Minerals The 1:1 layer minerals contain one tetredral and one octedral sheet in their basic structural unit (Fig. 2.) This twosheet mineral type is represented by the kaolin group, with the general formula Al2Si205(0H)4. Kaolinite, the most common mineral in this group, is dioctedral, exhibiting Al3+ octedral and Si4 ...