Stishovite
pure SiO2 (0 wt% Al2O3, 0 wt% H2O)
none (not an EOS fit) · Cited · 2007
V₀
—
Unknown basis
K₀
316
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 |
|---|---|
| SiO2 | 1 |
Formula: pure SiO2 (0 wt% Al2O3, 0 wt% H2O)
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- rutile-type (stishovite)
- Method
- experiment (Brillouin / ultrasonic / elasticity)Brillouin scattering (literature values, Weidner et al. 1982)
- Sample
- pure stishovite (Weidner et al. 1982)
Source
- Paper
- Effect of Al3+ and H+ on the elastic properties of stishovite
- Authors
- D. L. Lakshtanov; Konstantin D. Litasov; Stanislav Sinogeikin; H. Hellwig; Jie Li; Eiji Ohtani; Jay D. Bass
- DOI
- 10.2138/am.2007.2294
- Year
- 2007
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Table 4. Aggregate elastic moduli for K324 and K325 compared to pure stishovite data (Weidner et al. 1982): Ks (GPa) 316(4); KT (GPa) 312(4); Gs (GPa) 220(3); rho (g/cm3) 4.29.
Additional notes
KT GPa
312(4)
G S GPa
220(3)
density g cm3
4.29
vp
11.923(30)
vs
7.165(30)
reference
Weidner et al. 1982