Matter
Name
Mg-Fe-silicate glass with pyroxene stoichiometry, Fe content 0.5
Family
Family
solid
Database
Experimentalists
Level
local matter
Origins
laboratory
Provider
Astrophysical Institute and University Observatory Jena
Local reference code
STW 4
Preparation
selected components
Method
selection of homogeneous glassy parts under microscope inspection
Phase type
solid
Texture
compact glassy
Type of porosity
without pores
Density
3.2 $\pm$ 0.03 $g.cm^{-3}$
Grain density
3.2 $\pm$ 0.03 $g.cm^{-3}$
Oxides
Formula $MgO$ $FeO$ $SiO_{2}$
Mass fraction (%) 0.14 0.336 0.524
Number
1
Mode of mixing
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Mg-Fe-silicate glass with pyroxene stoichiometry, Fe content 0.5 1.0
Title
Melting and quenching by copper rollers

Produced matter

Matter
Mg-Fe-silicate glass with pyroxene stoichiometry, Fe content 0.5 (this matter)
Processing steps
Step Date Type Process Changes
#1 mixing magnesium carbonate, ferrous oxalate, and silicon dioxide are mixed in appropriate portions
#2 thermal filled in platinum crucible, slowly heated by a resistance furnace to 1917 K, maintained for 1 hour
#3 thermal quenched to room temperature by contact with rotating copper rollers
Publications