Constituent
Name
Ca-Mg-Fe-silicate glass with pyroxene stoichiometry, cosmic composition
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$_{0.52}$Fe$_{0.45}$Ca$_{0.03}$SiO$_3$
Chemical formula
Mg0.52Fe0.45Ca0.03SiO3
Elemental formula
(Mg)0.52-2 Fe0.45 (Ca)0.03-1 (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 0.52 - 2 0.15319148936170213 $\pm$ 0.08996960486322189 1.0 constituent element main
$Fe$ Iron element 0.45 0.0547112462006079 1.0 constituent element main
$Ca$ Calcium element 0.03 - 1 0.06261398176291794 $\pm$ 0.05896656534954407 1.0 constituent element main
$Si$ Silicon element 1 - 2 0.182370820668693 $\pm$ 0.060790273556231005 1.0 constituent element main
$O$ Oxygen element 3 - 6 0.5471124620060791 $\pm$ 0.182370820668693 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
3.2 $g/cm^3$
Refringence type
biaxial
Refringence sign
positive or negative