Davemaoite
CaSiO3
unknown · Cited · 1999
V₀
—
Unknown basis
K₀
232
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 |
|---|---|
| CaO | 1 |
| SiO2 | 1 |
Formula: CaSiO3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- cubic perovskite (Pm-3m)
- Method
- experiment (XRD / DAC / multianvil compression)in situ X-ray diffraction measurements (Wang et al. 1996)
- Sample
- —
Source
- Paper
- Compression of CaTiO 3 and CaGeO 3 perovskites
- Authors
- Nancy L. Ross; R. J. Angel
- DOI
- 10.2138/am-1999-0309
- Year
- 1999
- Journal
- American Mineralogist
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
Such a trend predicts K0 = 233 GPa for CaSiO3 perovskite, in good agreement with K_T = 232 ± 8 GPa determined by Wang et al. (1996) from in situ X-ray diffraction measurements.
Additional notes
reference
Wang et al. (1996)
note
cubic Pm-3m symmetry of CaSiO3 perovskite stated in Introduction; only K_T is quoted, no V0 or K' given in this paper