Bridgmanite
(Fe0.12Mg0.88)SiO3 (x = 0.12)
Birch-Murnaghan (order unspecified) · Cited · 1991
V₀
—
Unknown basis
K₀
266
GPa
Isothermal
K′
3.900
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 | 0.88 |
| FeO | 0.12 |
| SiO2 | 1 |
Formula: (Mg0.88Fe0.12)SiO3
Conditions & method
- Tref
- 298 K
- Pref
- —
- Structure
- other / unspecified
- Method
- experiment (XRD / DAC / multianvil compression)powder X ray diffraction P-V measurement
- Sample
- powder, no pressure medium (nonhydrostatic)
Source
- Paper
- Effect of pressure, temperature, and composition on lattice parameters and dens…
- Authors
- Ho‐kwang Mao; R. J. Hemley; Ying‐heng Fei; Jinfu Shu; L. C. Chen; A. P. Jephcoat; Yan Wu; William A. Bassett
- DOI
- 10.1029/91jb00176
- Year
- 1991
- Journal
- Journal of Geophysical Research Atmospheres
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 4: 266 GPa, 3.9, none (medium), powder, x=0.12, to 112 GPa, Knittle and Jeanloz [1987]. 'The reported KT0 values range from 246 GPa [Yeganeh-Haeri et al., 1989] to 266 GPa [Knittle and Jeanloz, 1987].'
Additional notes
P max
112 GPa
note
Pressure conditions in the measurements of Knittle and Jeanloz [1987] were nonhydrostatic