Material
Name
Gypsum
Origin
natural terrestrial
Comments
Mass fraction certainly < 0.01 (for raw and << 0.001 for < 2µm size - Vogt 2002)
Abundance in layer
Relevance
main - major
Mass
0.002 $\pm$ 0.001 $g$
Mass fraction
0.005 $\pm$ 0.003
Texture
compact
Grain sizes
Grains Size min Size max Size median Size width Size mass fraction Grain shape
#1 25.0 ${\mu}m$ 50.0 ${\mu}m$ 1.0 None
Size method
dry sieving between 25 and 50 µm meshs, without grinding
Number
1
Arrangement
single phase
  Name Compound type Arrangement Mass ($g$) Mass fraction Adsorbat name
Gypsum sulfate single phase 1.0 $\pm$ 0.001