Bridgmanite
MgSiO3
finite strain (unspecified form) · Cited · 2022
Why this differs from similar rows?
Table 3 row citing Criniti et al. (2021) Brillouin light scattering on single crystal; other rows cite Li and Zhang (2005) and Chantel et al. (2012), both ultrasonic on polycrystals.
V₀
—
Unknown basis
K₀
257.100
GPa
Adiabatic
K′
3.710
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| — | — | Unknown basis | — |
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
- literature compilation / cited valueBLS velocity measurements (literature)
- Sample
- single crystal (Criniti et al. 2021)
Source
- Paper
- Single-crystal elasticity of (Al,Fe)-bearing bridgmanite up to 82 GPa
- Authors
- Suyu Fu; Yanyao Zhang; Takuo Okuchi; Jung‐Fu Lin
- DOI
- 10.2138/am-2022-8435
- Year
- 2022
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 3 (Brillouin light scattering): Criniti et al. (2021), MgSiO3, K_S0 = 257.1(6), µ0 = 175.6(2), K'_S0 = 3.71(4), µ'0 = 1.86(1); Table 2 footnote: The reference pressure is at ambient conditions.
Additional notes
mu0 GPa
175.6(2)
mu0 prime
1.86(1)
Table2 KVRH
256.9(8) GPa, K' = 3.70(5), K'' = -0.014 GPa^-1