L1 /
2
CH3041
CLAY LAYER
STRUCTURE
Tetrahedral sheet = layer of SiO4 tetrahedra vertex bonded to each other, net -ve charge.
Apical O2-
Basal O2-
Basal O2-
Octahedral
sheet = layer of cations (Al3+,Fe2+..)
& octahedrally coordinated anions (O2- , OH-)
edge bonded to each other.
& octahedrally coordinated anions (O2- , OH-)
edge bonded to each other.
