Layer
Name
Layer #1
Physical characteristics
Type of layer
granular
Thickness
4.0  ± 0.1  mm
Mass
0.345 ± 0.002 g
Texture
pulverulent
Type of porosity
open pores
Porosity
0.71 ± 0.005
Density
0.434 ± 0.01 g.cm−3
Formation mode
solid-solid phase transition
Temperature
242.8  ± 0.1  K
Comments
formed by solid-solid phase transition of a sample of Salammoniac mineral (beta-, phase II)
Number
1
Arrangement
single material
Materials
  Name Arrangement Mass (g) Mass fraction Abundance comments
delta-Ammonium chloride (phase IV) powder 32-80µm 0.345 1.0