Magnesium orthosilicate

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.

Magnesium orthosilicate
Identifiers
3D model (JSmol)
ECHA InfoCard 100.030.089 Edit this at Wikidata
EC Number
  • 233-112-5
UNII
  • InChI=1S/2Mg.O4Si/c;;1-5(2,3)4/q2*+2;-4
    Key: HCWCAKKEBCNQJP-UHFFFAOYSA-N
  • [O-][Si]([O-])([O-])[O-].[Mg+2].[Mg+2]
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).

Production

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

References

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  1. ^ Magnesium orthosilicate at Chemister
  2. ^ "Magnesium orthosilicate at ChemSpider". Retrieved 15 August 2014.