Bridgmanite
Mg0.96(1)Fe2+0.036(5)Fe3+0.014(5)Si0.99(1)O3 (low-pressure branch; composition column blank in first Fu et al. 2018 BLS row)
finite strain (unspecified form) · Cited · 2022
V₀
—
Unknown basis
K₀
—
K′
3.300
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 | 0.96 |
| FeO | 0.036 |
| Fe2O3 | 0.007 |
| SiO2 | 0.99 |
Formula: Mg0.96Fe2+0.036Fe3+0.014Si0.99O3
Conditions & method
- Tref
- 300 K
- Pref
- —
- Structure
- orthorhombic perovskite (Pbnm/Pnma)
- Method
- literature compilation / cited valueBLS/ISLS velocity measurements (literature)
- Sample
- polycrystalline (Fu et al. 2018)
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): Fu et al. (2018) — µ0 = 166.2(5), K'_S0 = 3.3(3), µ'0 = 1.91(2); K_S0 entry not shown for this row.
Additional notes
mu0 GPa
166.2(5)
mu0 prime
1.91(2)
note
Column alignment ambiguous in source table; K_S0 value not given for this row