Clay, Red

Practical significance

Interpretation of remote sensing data. Analogues of other planets' atmospheric dust, and dust in comets, asteroids, and circumstellar shells.

Origin

Commercially available from Argiletz, France

Main constituent
Biotite, illite, quartz
Particle size Fraunhofer: reff (μm)
1.5
Particle size Fraunhofer: veff
1.6
Size distribution plot:
Size Distribution Red Clay
Size distribution table
size_redclay.txt
Color
Red brown
SEM/TEM images:
Red Clay SEM Image 1
Red Clay SEM Image 2
All SEM/TEM images (zip file)
Red Clay SEM Images
Scattering matrix (1) wavelength in nm
441.60 nm
Scattering matrix (1) table
matrix_redclay_442nm.txt
Scattering matrix (1) plot:
Scattering Matrix elements Red Clay - 442nm
Scattering matrix (2) wavelength in nm
632.80 nm
Scattering matrix (2) table
matrix_redclay_633nm.txt
Scattering matrix (2) plot:
Scattering Matrix elements Red Clay - 633nm
Refractive index

Estimated to be in the range [1.5-1.7] + i[0.00001-0.001]

Angle range (deg)
[5,173]
Reference/s
Volten et al., 2001