Davemaoite
(Ca0.43(1)K0.20(1)Na0.06Fe0.11(1)Al0.08Mg0.06Cr0.04(2))(Si1.0(2)Al0.00(1))O3
unknown · Cited · 2025
V₀
45.88
ų
Unit cell
K₀
—
K′
—
dimensionless
Volume (V₀)
| Value | Unit | Basis | Z |
|---|---|---|---|
| 45.88 | 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 | 0.06 |
| FeO | 0.11 |
| CaO | 0.43 |
| Na2O | 0.03 |
| K2O | 0.1 |
| Al2O3 | 0.04 |
| Cr2O3 | 0.02 |
| SiO2 | 1 |
Formula: (Mg0.06Fe0.11Al0.08Cr0.04Ca0.43Na0.06K0.20)(Si1.0Al0.00)O3
Conditions & method
- Tref
- —
- Pref
- —
- Structure
- cubic perovskite (Pm-3m)
- Method
- literature compilation / cited valuelattice parameters extrapolated to 0 GPa by an equation of state (cited)
- Sample
- literature data of Tschauner et al. (2021), natural davemaoite
Source
- Paper
- First Observation of Quenched Davemaoite to Ambient Conditions: Its Electron Di…
- Authors
- Nοbuyοshi Miyajima; Lin Wang; Tomoo Katsura
- DOI
- 10.1029/2025gl115280
- Year
- 2025
- Journal
- Geophysical Research Letters
- Origin
- Cited (quoted from earlier work)
Evidence from the paper
the lattice parameters extrapolated to 0 GPa by an equation of state were estimated as ... 0.358 nm (V0 = 45.88 Å3 in Tschauner et al. (2021))
Additional notes
a cubic
0.358 nm
alternative reported values
davemaoite is 4.2 g/cm3 (a = 0.3591(2) nm, Tschauner et al., 2021)