Layer
Name
Pigment Roussillon - grains sup. 160µm, d=1.46
Physical characteristics
Type of layer
granular
Texture
loose coarse grained
Type of porosity
particulate
Density
1.46 $\pm$ 0.01 $g.cm^{-3}$
Comments
diameter / thichness is 20 mm / 5 mm (2.315g, d=1.460 g/cm3)
Formation mode
manual deposition
Temperature
300.0  $K$
Comments
slightly tamped and smoothed surface (spatula stem)
Number
2
Arrangement
homogeneous mixing
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Quartz, grains sup. 160µm quartz grains embeded in an argilo-ferric matrix (kaolinite, hematite and some goethite) mass fraction unknown but areal fraction in cross section is ~60% in raw matter before sieving. impurity abundances not determined
kaolinite clay with hematite and goethite clay-ferric matrix (kaolinite, hematite and some goethite) surrounding quartz grains mass fraction unknown but areal fraction in cross section is ~40% in raw matter before sieving. Small impurity of P, Ti, K, Na, Ca, Mg, Mn (0.92% in oxides)