Bridgmanite
MgSiO3 (end-member)
none (not an EOS fit) · Cited · 2004
V₀
—
Unknown basis
K₀
264
GPa
Adiabatic
K′
—
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
- experiment (Brillouin / ultrasonic / elasticity)Brillouin scattering (cited)
- Sample
- single crystal (Yeganeh-Haeri [1994])
Source
- Paper
- Elasticity of single crystal and polycrystalline MgSiO3 perovskite by Brillouin…
- Authors
- Stanislav Sinogeikin; Jianzhong Zhang; Jay D. Bass
- DOI
- 10.1029/2004gl019559
- Year
- 2004
- Journal
- Geophysical Research Letters
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
The later study was claimed to be more accurate by the author, and yielded a value of K_S = 264(5) GPa, in agreement with the average K_T0 = 261 GPa measured by compression ... [Yeganeh-Haeri, 1994]
Additional notes
shear modulus mu GPa
177(4)
source
Yeganeh-Haeri [1994]
VP km s
11.04
VS km s
6.57