Bridgmanite
(Mg0.9Fe0.1Al0.1Si0.9)O3 (Fe10-Al10-Bgm), Fe3+/ΣFe = 0.67
finite strain (unspecified form) · Cited · 2022
V₀
—
Unknown basis
K₀
250.800
GPa
Adiabatic
K′
3.440
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 | 0.9 |
| FeO | 0.033 |
| Fe2O3 | 0.0335 |
| Al2O3 | 0.05 |
| SiO2 | 0.9 |
Formula: (Mg0.9Fe0.1Al0.1Si0.9)O3 (Fe10-Al10-Bgm), Fe3+/ΣFe = 0.67
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- orthorhombic perovskite (Pbnm/Pnma)
- Method
- literature compilation / cited valueBLS velocity measurements (literature)
- Sample
- single crystal (Kurnosov et al. 2017)
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): Kurnosov et al. (2017), (Mg0.9Fe0.1Al0.1Si0.9)O3, K_S0 = 250.8(4), µ0 = 159.7(2), K'_S0 = 3.44(3), µ'0 = 2.05(2).
Additional notes
mu0 GPa
159.7(2)
mu0 prime
2.05(2)