Matter
Name
Mg-Fe-silicate glass with olivine stoichiometry, Fe content 0.6
Family
solid
Level
local matter
Origins
laboratory
Provider
Astrophysical Institute and University Observatory Jena
Local reference code
STW 19
Preparation
selected components
Method
selection of homogeneous glassy parts under microscope inspection
Phase type
solid
Texture
compact glassy
Type of porosity
without pores
Oxides
Formula $MgO$ $FeO$ $SiO_{2}$
Mass fraction (%) 0.152 0.53 0.318
Number
1
Mode of mixing
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Mg-Fe-silicate glass with olivine stoichiometry, Fe content 0.6 1.0
Title
Melting and quenching by copper rollers

Produced matter

Matter
Mg-Fe-silicate glass with olivine stoichiometry, Fe content 0.6 (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