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.
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3D model (JSmol)
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| ECHA InfoCard | 100.030.089 |
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CompTox Dashboard (EPA)
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| 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 | |
Heat capacity (C)
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119 J/mol K |
Std molar
entropy (S⦵298) |
95 J/mol K |
Std enthalpy of
formation (ΔfH⦵298) |
-2172 kJ/mol |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Production
editMagnesium orthosilicate is made by the fusion of stoichiometric amounts of magnesium and silicon oxides at 1,900 °C (3,450 °F).
References
edit- ^ Magnesium orthosilicate at Chemister
- ^ "Magnesium orthosilicate at ChemSpider". Retrieved 15 August 2014.
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