Constituent
Name
Mg-Fe-silicate glass with pyroxene stoichiometry, Fe content 0.6
Official name
Synthetic pyroxenes group
Family
covalent network solid
Class
chain covalent network solid
Compound type
inosilicate
Relevance
main - major
Arrangement
single phase
Mass fraction
1.0
Mole fraction
1.0
Formula
Mg$_{0.4}$Fe$_{0.6}$SiO$_3$
Chemical formula
Mg0.4Fe0.6SiO3
Elemental formula
(Mg)0.4-2 Fe0.6 (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 0.4 - 2 0.15384615384615385 $\pm$ 0.10256410256410257 1.0 constituent element main
$Fe$ Iron element 0.6 0.07692307692307693 1.0 constituent element main
$Si$ Silicon element 1 - 2 0.19230769230769232 $\pm$ 0.06410256410256411 1.0 constituent element main
$O$ Oxygen element 3 - 6 0.576923076923077 $\pm$ 0.19230769230769232 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 $g/mol$
Refringence type
biaxial
Refringence sign
positive or negative