Constituent
Name
Mg-Fe-silicate glass with pyroxene stoichiometry, Fe content 0.3
Official name
Synthetic pyroxenes group
Family
covalent network solid
Class
chain covalent network solid
Compound type
inosilicate
Constituent abundance in material
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Chemical composition
Formula
Mg$_{0.7}$Fe$_{0.3}$SiO$_3$
Chemical formula
Mg0.7Fe0.3SiO3
Elemental formula
(Mg)0.7-2 Fe0.3 (Si)1-2 (O)3-6
Isotope mixture type
terrestrial abundance
  Formula Name Family Number min-max Mole fraction Isotope mole fraction State Relevance
$Mg$ Magnesium element 0.7 - 2 0.17647058823529413 $\pm$ 0.08496732026143791 1.0 constituent element main
$Fe$ Iron element 0.3 0.0392156862745098 1.0 constituent element main
$Si$ Silicon element 1 - 2 0.19607843137254902 $\pm$ 0.06535947712418301 1.0 constituent element main
$O$ Oxygen element 3 - 6 0.5882352941176471 $\pm$ 0.19607843137254902 1.0 constituent element main
Class
chain covalent networks (09)
Phase type
glassy
Crystal system
amorphous
Crystal class
N/A
Crystal class symbol
N/A
Crystal spacegroup
N/A
Molar mass
186.09 - 248.09 $g/mol$
Density
3.01 $g/cm^3$
Refringence type
biaxial
Refringence sign
positive or negative