Bridgmanite
MgSiO3
Mie-Grüneisen-Debye / thermal EOS · Cited · 2020
V₀
162.4
ų
Unit cell
K₀
251
GPa
Isothermal
K′
4.100
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 162.4 | ų | Unit cell | — |
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
- perovskite (unspecified)
- Method
- literature compilation / cited valueliterature-tabulated values used for eclogite lower-mantle modeling
- Sample
- Table 2 literature values, Stixrude and Lithgow-Bertelloni (2011)
Source
- Paper
- Thermal equation of state of post-aragonite CaCO3-Pmmn
- Authors
- Mingda Lv; Jiachao Liu; Eran Greenberg; Vitali B. Prakapenka; Susannah M. Dorfman
- DOI
- 10.2138/am-2020-7279
- Year
- 2020
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 2: MgSiO3 (perovskite) (Stixrude and Lithgow-Bertelloni 2011): V0 = 162.40, KT0 = 251(3), K'0 = 4.1(1), θ0 = 905(5), γ0 = 1.57(5), q = 1.1(3).
Additional notes
theta0
905(5) K
gamma0
1.57(5)
q
1.1(3)
context
eclogite assemblage modeled at 30-80 GPa; 27 vol% bridgmanite [(Mg0.9,Fe0.1)SiO3]