Magnesium silicate (MgSiO3), commonly known as enstatite, is a ceramic oxide compound belonging to the pyroxene mineral family. It is a naturally occurring material that also serves as a synthetic ceramic with applications requiring thermal stability and moderate mechanical strength at elevated temperatures. MgSiO3 is used in refractory applications, high-temperature insulation systems, and specialized ceramics where thermal shock resistance and chemical inertness are valued; it also appears in geophysics research as a model for Earth's mantle composition. Engineers select this material for applications demanding cost-effectiveness in thermal management and chemical resistance, though it is less common in load-bearing structural applications compared to advanced ceramics like alumina or zirconia.
Compliance & Regulations
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Bulk Modulus(K)2 entries | 199.5 | GPa | — | ||
| ↳ | 210.8 | GPa | — | ||
Poisson's Ratio(ν) | 0.2600 | - | — | ||
Shear Modulus(G)2 entries | 109.5 | GPa | — | ||
| ↳ | 131.2 | GPa | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Density(ρ) | 3.158 | kg/m³ | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Band Gap(Eg)3 entries | 5.946 | eV | — | ||
| ↳ | 6.900 | eV | — | ||
| ↳ | 4.836 | eV | — | ||
Dielectric Constant (Relative Permittivity)(εr) | 20.67 | - | — | ||
Magnetic Moment(μB)2 entries | -3.856e-7 | μB | — | ||
| ↳ | 0.000 | µB | — | ||
Piezoelectric Modulus(eij) | 0.000 | C/m² | — | ||
Seebeck Coefficient(S) | -114.3 | µV/K | — |
| Property | Value | Unit | Conditions | Source | |
|---|---|---|---|---|---|
Energy Above Hull(ΔEhull) | 0.000 | eV/atom | — | ||
Formation Energy(ΔHf)4 entries | -2.869 | eV/atom | — | ||
| ↳ | 0.2800 | eV/atom | — | ||
| ↳ | -3.210 | eV/atom | — | ||
| ↳ | -3.027 | eV/atom | — |