Layer
Name
Mixture of Olivine and Anthracite powders (sub-micrometre-sized grains), Olivine:Anthracite 95:5 vol%
Type of layer
granular
Thickness
3.0  $\pm$ 0.5  $mm$
Texture
other
Type of porosity
particulate
Formation mode
manual deposition
Comments
Mixing the two components was achieved by adding the two powders in a mortar and mixing them by hand grinding with the pestle for about 10 min. Then, the mixture was deposited inside a sample holder and its surface leveled with a straight spatula.
Number
3
Arrangement
homogeneous mixing
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Olivine Forsterite grains 0.97
Quartz
Irregular grains of anthracite from La Mûre 0.03