Layer
Name
Layer #1
Physical characteristics
Type of layer
granular
Thickness
3.5  ± 0.1  mm
Mass
0.232 ± 0.002 g
Texture
pulverulent
Type of porosity
open pores
Porosity
0.741 ± 0.008
Density
0.428 ± 0.015 g.cm−3
Formation mode
solid-solid phase transition
Temperature
76.0  ± 1.0  K
Comments
formed by solid-solid phase transition of a sample of Tschermigite mineral (PE phase)
Number
1
Arrangement
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
Ammonium aluminium sulfate dodecahydrate (phase FE) powder 32-80µm 0.232 1.0