Martian analog (palagonite)

Origin

volcanic ashes collected on Hawaii by Ted Roush, palagonite sample 91-16. The sample was sieved before it was used. For more information see Banin et al. 1997

Main constituent
Palagonite
Color
Red brown
Particle size Fraunhofer: reff (μm)
4.5
Particle size Fraunhofer: veff
7.3
Size distribution plot:
Size Distribution Palagonite
Size distribution table
size_palagonite.txt
Particle shape

Irregular

SEM/TEM images:
Palagonite SEM Image
All SEM/TEM images (zip file)
sem_palagonite.zip
Scattering matrix (1) wavelength in nm
632.80 nm
Scattering matrix (1) table
matrix_palagonite_633nm.txt
Scattering matrix (1) plot:
Scattering matrix elements Palagonite
Synthetic scattering matrix (1) wavelength in nm
632.80nm
Synthetic scattering matrix (1) table F
extra_palagonite_633nm.txt
Refractive index

1.5 + i[0.0001-0.001]

Angle range (deg)
[3,174]
Reference/s
Laan et al., 2009