Constituent
- Name
- Glassy silicate (1-x)MgO-xSiO2 x=0.50
- Official name
- Mg2SiO4-MgSiO3 series
- Family
- covalent network solid
- Class
- tridimentional covalent network solid
- Compound type
- non-oxide ceramic
- Relevance
- main - major
- Arrangement
- single phase
- Mass fraction
- 1.0
- Mole fraction
- 1.0
- Formula
- $(1-x)MgO-xSiO_2 x=0.50$. $(MgO)_{1}.SiO_2$
- Chemical formula
- (MgO)2(SiO2)x
- Elemental formula
- (Mg)1-2 (Si)1-2 (O)3-6
- Isotope mixture type
- terrestrial abundance
- Class
- molecular solids with apolar molecules (01)
- Type
- with monoatomic apolar molecules (A) (01.01)
- Phase type
- glassy
- Crystal system
- amorphous
- Crystal class
- N/A
- Crystal class symbol
- N/A
- Crystal spacegroup
- N/A
- Molar mass
- 140.69 - 200.78 $g/mol$
- Refringence type
- biaxial
- Refringence sign
- positive or negative
- Birefringence
- 0.009 - 0.033
- Refraction index $n_{\alpha}$
- 1.636 - 1.668
- Refraction index $n_{\beta}$
- 1.650 - 1.673
- Refraction index $n_{\gamma}$
- 1.659 - 1.679