Bridgmanite

(Mg0.88Fe0.06Al0.12Si0.94)O3

third-order Birch-Murnaghan · Cited · 2007

V₀

163.9

Å³

Unit cell

K₀

260

GPa

Isothermal

K′

4.030

dimensionless

Volume (V₀)

Value	Unit	Basis	Z
163.9	Å³	Unit cell	—

Reported value and unit are preserved as extracted. Z (formula units per cell) is not stored yet, so molar ↔ Å³/f.u. conversion is not applied automatically.

Composition

Oxide	Molar
MgO	0.88
FeO	0.06
Al2O3	0.06
SiO2	0.94

Formula: (Mg0.88Fe0.06Al0.12Si0.94)O3

Conditions & method

T_ref: 300 K
P_ref: —
Structure: perovskite (unspecified)
Method: thermodynamic / mineral physics model
literature averages used in lower-mantle mineralogical modeling
Sample: Table 3 modeling parameters

Source

Paper: Effects of Fe spin transition on the elasticity of (Mg, Fe)O magnesiowüstites a…
Authors: S. Speziale; V. E. Lee; S. M. Clark; Jung‐Fu Lin; M. Pasternak; Raymond Jeanloz
DOI: 10.1029/2006jb004730
Year: 2007
Journal: Journal of Geophysical Research Atmospheres
Origin: Cited (quoted from earlier work)

Evidence from the paper

Table 3: (Mg0.88Fe0.06Al0.12Si0.94)O3: V0 = 163.9 Å3, KT0 = 260 ± 10 GPa, (∂KT/∂P)T0 = 4.03 ± 0.03; K0 is average of Lee et al. [2004] and Jackson et al. [2004]; K' is average of Lee et al. [2004] and Vanpeteghem et al. [2006].

Additional notes

rho0 g cm3

4.016

mol wt g

102.38

theta0 K

1009 ± 9

gamma0

1.64 ± 0.3

1.75 ± 0.7

sources

V0, ρ0, θ0, γ0, q from Lee et al. [2004]; K0 average of Lee et al. [2004] and Jackson et al. [2004]; K' average of Lee et al. [2004] and Vanpeteghem et al. [2006]