Akimotoite
MgSiO3
unknown · Cited · 2000
V₀
262.54
ų
Unit cell
K₀
212
GPa
Adiabatic
K′
—
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 262.54 | ų | Unit cell | — |
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
- ilmenite (akimotoite)
- Method
- experiment (Brillouin / ultrasonic / elasticity)single-crystal X-ray diffraction (V0); Brillouin/elasticity measurement (KS0, Weidner and Ito 1985)
- Sample
- experimental values (Horiuchi et al. 1982; Weidner and Ito 1985)
Source
- Paper
- Ab initio structure of MgSiO 3 ilmenite at high pressure
- Authors
- Bijaya B. Karki; Wenhui Duan; C.R.S. da Silva; Renata M. Wentzcovitch
- DOI
- 10.2138/am-2000-2-309
- Year
- 2000
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
that compare favorably with experimental values V0 = 262.54 Å3 and KS0 = 212 GPa (Horiuchi et al. 1982; Weidner and Ito 1985).
Additional notes
table 1 experimental
a = 4.728 Å, c = 13.559 Å, V = 262.54 Å3 (Horiuchi et al. 1982)