Elastic modulus

Wave propagation axis

Direction of displacements

Polarization type (symmetry)

Piezo-activity

[100]

[010]

shear (E)

non-piezo-active

[100]

[001]

shear (T)

piezo-active

[001]

[001]

shear (T)

non-piezo-active

[001]

[001]

longitudinal

piezo-active