Chemistry:Magnesium orthosilicate

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Magnesium orthosilicate
Identifiers
3D model (JSmol)
EC Number
  • 233-112-5
UNII
Properties
Mg2SiO4
Molar mass 140.693 g/mol
Appearance colorless crystalline solid
Density 3.21 g/cm3
Melting point 1,890 °C (3,430 °F; 2,160 K)
insoluble
Structure
orthorhombic
Thermochemistry
119 J/mol K
95 J/mol K
-2172 kJ/mol
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

Magnesium orthosilicate is a chemical compound with the formula Mg2SiO4.[1][2] It is the orthosilicate salt of magnesium. It exists as Forsterite in nature.

Production

Magnesium orthosilicate is made by the fusion of stoichiometric amounts of magnesium and silicon oxides at 1,900 °C (3,450 °F).

References