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Calculated Properties of Majorite Electron Density: Bulk Density (Electron Density)=3.74 gm/cc note: Specific Gravity of Majorite =3.80 gm/cc.
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What are the properties of majorite?
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Majorite is a mineral found in the mantle of the Earth. Its chemical formula is Mg 3 (MgSi)(SiO 4) 3. It is a type of garnet, distinguished from other garnets in having silicon in octahedral as well as tetrahedral coordination.
Jun 1, 2020 · In this study we have performed first principles calculations to determine the thermoelastic properties of MgSiO 3-majorite over a wide range of temperatures and pressures. We determine elastic constants, anisotropies, bulk and shear moduli, seismic velocities and other thermodynamic properties.
- Yancheng Lou, Stephen Stackhouse, Andrew M. Walker, Zhigang Zhang
- 2020
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Majorite is a phase in the mantle that is related to garnet. Majorite is named after Alan Major, who synthesized this particular type of garnet at pressures of more than 6 GPa at the Australian National University in the late 1960s (Ringwood and Major, 1971).
Feb 25, 2011 · The predicted thermodynamic properties of MgSiO 3 ordered tetragonal majorite (I4 1 /a) at high P-T using LDA compared with experimental data. The solid (dashed) lines indicate the QHA valid (invalid) conditions.
- Yonggang G. Yu, Yonggang G. Yu, Renata M. Wentzcovitch, Victor L. Vinograd, Ross J. Angel
- 42
- 2011
- 25 February 2011
Feb 14, 2008 · It has been accepted that the upper mantle is composed of peridotite or pyrolite compositions with about 60% olivine and lesser amounts of pyroxenes (∼ 30%) plus a small but significant (∼ 10%)...
Apr 15, 2007 · We use density functional theory to compute the enthalpy, structural, and elastic properties of majorite garnet with defined atom configurations at mantle pressure. To simulate disorder, we use a sample box with 160 atoms and perturb only a few of these atoms.