Table 18:
Quartz single crystala sheared to c-axis, Ref. [
23
].
Isotope/Element
v
(Hz)
v
c
(Hz)
q
S
(µm)
P
1250
1251
1
1.14
30
Si
1300
1293
1
1.13
Fe
2760
2776
2
1.14
V
3025
3043
2
1.14
Ti
3260
3238
2
1.13
a
Source: Minas Geraes, Brazil.