Stishovite
SiO2
Birch-Murnaghan (order unspecified) · Cited · 1996
V₀
—
Unknown basis
K₀
342
GPa
Unknown
K′
4
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 |
|---|---|
| SiO2 | 1 |
Formula: SiO2
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- rutile-type (stishovite)
- Method
- thermodynamic / mineral physics modelthermodynamic density modelling with literature parameters
- Sample
- Table 4 crustal density model component (Stishd)
Source
- Paper
- The stability and equation of state of majoritic garnet synthesized from natura…
- Authors
- J. W. Faust; Elise Knittle
- DOI
- 10.1029/96gl03027
- Year
- 1996
- Journal
- Geophysical Research Letters
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Model parameters are as follows (cf. Ita and Stixrude, 1992): ... d) θ=900, γ0=1.0, ρ0=4.29 g/cm³, K0=342 GPa ... In all models dK0/dP is fixed at 4. Stishovite is a component of the subducted crust model to 45 GPa (~1250 km depth).
Additional notes
theta
900
gamma0
1.0
rho0
4.29 g/cm^3