Sl.No
Mode
Direction of propagation
Direction of polarization
Velocity measured 
(m/s)
Acoustic impedance
106 kg/m2/s
-
relationship
1
L
[100]
[100]
6290 ± 0.07
2
L
[001]
[001]
5839 ± 0.07
3
T
[001]
[010]
4498 ± 0.03
4
T
[001]
[100]
4852 ± 0.03
5
T
[100]
[010]
5089 ± 0.04
