Bridgmanite
MgSiO3
Birch-Murnaghan (order unspecified) · Cited · 1996
V₀
24.46
cm³/mol
Molar
K₀
261
GPa
Isothermal
K′
4
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 24.46 | cm³/mol | Molar | — |
Reported value and unit are preserved as extracted. Z (formula units per cell) is not stored yet, so molar ↔ ų/f.u. conversion is not applied automatically.
Composition
| Oxide | Molar |
|---|---|
| MgO | 1 |
| SiO2 | 1 |
Formula: MgSiO3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- orthorhombic perovskite (Pbnm/Pnma)
- Method
- experiment (XRD / DAC / multianvil compression)in situ P-V-T X-ray diffraction (Wang et al. [1994])
- Sample
- Table 4 thermoelastic parameters (data from Wang et al. [1994])
Source
- Paper
- Thermal equation of state of CaSiO3 perovskite
- Authors
- Yanbin Wang; Donald J. Weidner; François Guyot
- DOI
- 10.1029/95jb03254
- Year
- 1996
- Journal
- Journal of Geophysical Research Atmospheres
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 4 'Thermoelastic Parameters for MgSiO3 and CaSiO3 Perovskites', MgSiO3 column: V0 = 24.46 cm^3 mol^-1, rho0 = 4.108 g cm^-3, K_T0 = 261 GPa, K'_T0 = 4, (dKT/dT)_P = -0.023 GPa/K. "*Data from Wang et al. [1994]."
Additional notes
rho0
4.108 g cm^-3
alpha0
1.7 x 10^-5 K^-1
theta0
1030 K
delta T0
4.9
gamma0
1.4
q
1