Bridgmanite

MgSiO3

unknown · Cited · 1999

V₀

—

Unknown basis

K₀

264

GPa

Unknown

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 ↔ Å³/f.u. conversion is not applied automatically.

Composition

Oxide	Molar
MgO	1
SiO2	1

Formula: MgSiO3

Conditions & method

T_ref: —
P_ref: —
Structure: orthorhombic perovskite (Pbnm/Pnma)
Method: literature compilation / cited value
experimental (cited)
Sample: Table 1, Exp row (Yeganeh-Haeri 1994; Mao et al. 1991; Sinelnikov et al. 1998)

Source

Paper: Seismic velocities of major silicate and oxide phases of the lower mantle
Authors: Bijaya B. Karki; Lars Stixrude
DOI: 10.1029/1999jb900069
Year: 1999
Journal: Journal of Geophysical Research Atmospheres
Origin: Cited (quoted from earlier work)

Evidence from the paper

Table 1: MgSiO3 perovskite, Exp M: K = 264, G = 177; M': K' = 4.0, G' = 1.8. 'Experimental data are from Yeganeh-Haeri [1994], Mao et al. [1991], and Sinelnikov et al. [1998]'.

Additional notes

G0 GPa

1.8