Stishovite
SiO2
Mie-Grüneisen-Debye / thermal EOS · Cited · 2020
V₀
46.56
ų
Unit cell
K₀
314
GPa
Isothermal
K′
3.800
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 46.56 | 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 |
|---|---|
| SiO2 | 1 |
Formula: SiO2
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- rutile-type (stishovite)
- Method
- literature compilation / cited valueliterature-tabulated values used for eclogite lower-mantle modeling
- Sample
- Table 2 literature values, Stixrude and Lithgow-Bertelloni (2011)
Source
- Paper
- Thermal equation of state of post-aragonite CaCO3-Pmmn
- Authors
- Mingda Lv; Jiachao Liu; Eran Greenberg; Vitali B. Prakapenka; Susannah M. Dorfman
- DOI
- 10.2138/am-2020-7279
- Year
- 2020
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 2: SiO2 (stishovite) (Stixrude and Lithgow-Bertelloni 2011): V0 = 46.56, KT0 = 314(8), K'0 = 3.8(1), θ0 = 1108(13), γ0 = 1.37(17), q = 2.8(22).
Additional notes
theta0
1108(13) K
gamma0
1.37(17)
q
2.8(22)
context
20 vol% stishovite (SiO2) in modeled eclogite assemblage at 30-80 GPa