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| Bulk modulus | 7.1·1011 dyn cm-2 |
| Density | 4.81 g cm-3 |
| Surface microhardness (using Knoop's pyramid test) | ~460 kg mm-2 |
| Cleavage plane | {100} |
| Piezoelectric constant | e14= -3.5·10-2 C m-2 |
| Bulk modulus (compressibility-1) | Bs= 7.11·1011 dyn/cm2 |
| Shear modulus | C'= 2.25·1011 dyn/cm2 |
| [100] Young's modulus | Yo= 6.11·1011 dyn/cm2 |
| [100] Poisson ratio | σo = 0.36 |
| Wave propagation Direction | Wave character | Expression for wave speed | Wave speed (in units of 105 cm/s) |
| [100] | VL | (C11/ρ )1/2 | 4.58 |
| VT | (C44/ρ )1/2 | 3.08 | |
| [100] | Vl | [(C11+Cl2+2C44)/2ρ]1/2 | 5.08 |
| Vt|| | Vt||=VT=(C44/ρ)1/2 | 3.08 | |
| Vt⊥ | [(C11-C12)/2ρ]1/2 | 2.16 | |
| [111] | Vl' | [(C11+2C12+4C44)/3ρ]1/2 | 5.23 |
| Vt' | [(C11-C12+C44)/3ρ]1/2 | 2.51 |
| νTO(Γ) | 9.2 | νLO(X) | 9.95 |
| νLO(Γ) | 10.3 | νTA(L) | 1.65 |
| νTA(X) | 2.05 | νLA(L) | 5.0 |
| νLA(X ) | 5.8 | νTO(L) | 9.5 |
| νTO(X) | 9.7 | νLO(L) | 10.2 |
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