Bridgmanite
Mg0.9Al0.9Si0.9O3 (as printed in Table II; text gives Mg0.9Al0.2Si0.9O3)
unknown · Cited · 2000
V₀
—
Unknown basis
K₀
198
GPa
Isothermal
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 | 0.9 |
| Al2O3 | 0.1 |
| SiO2 | 0.9 |
Formula: Mg0.9Al0.9Si0.9O3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- —
- Method
- experiment (XRD / DAC / multianvil compression)multianvil (MA), polycrystalline, BN medium, Pmax 12 GPa
- Sample
- —
Source
- Paper
- Compressibility of Mg<sub>0.9</sub>Al<sub>0.2</sub>Si&l…
- Authors
- Atsushi Kubo; Takehiko Yagi; Shigeaki Ono; Masaki Akaogi
- DOI
- 10.2183/pjab.76.103
- Year
- 2000
- Journal
- Proceedings of the Japan Academy Series B
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table II: Mg0.9Al0.9Si0.9O3, K = 198 (27), Pmax 12, MA, PolyX, BN, Ref. 22. Text: Kubo determined K_T0 for Mg0.9Al0.2Si0.9O3 perovskite as K_T0 = 198 ± 27 GPa using a multianvil apparatus.
Additional notes
reference
Table II Ref. 22 (Kubo)
linear compressibilities
beta_a 1.37, beta_b 1.24, beta_c 1.42 (×10^-3 GPa^-1)