Layer
Name
Calcite hydrothermal concretion powder (inf. 25 µm)
Physical characteristics
Type of layer
granular
Thickness
3.5  $\pm$ 0.1  $mm$
Mass
0.3 $\pm$ 0.001 $g$
Texture
compact fine grained
Type of porosity
open pores
Porosity
0.795 $\pm$ 0.003
Density
0.555 $\pm$ 0.005 $g.cm^{-3}$
Formation mode
manual deposition
Comments
raw piece crushed in an agate mortar and sieved with 25 µm mesh
Number
1
Arrangement
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Calcite powder (inf. 25 µm) 1.0 possible presence of additional minor phases and significant amount of adsorbed water