Feldspar

Practical significance

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

Origin

Crushed piece of Feldspar rock from Finland

Main constituent
K-feldspar, plagioclase, quartz
Color
Light pink to white
Particle size Fraunhofer: reff (μm)
1.0
Particle size Fraunhofer: veff
1.0
Size distribution plot:
Size Distribution Feldspar
Size distribution table
size_feldspar.txt
Particle shape

Irregular

SEM/TEM images:
Feldspar SEM Image 1
Feldspar SEM Image 2
All SEM/TEM images (zip file)
Feldspar SEM Images
Scattering matrix (1) wavelength in nm
441.60 nm
Scattering matrix (1) table
matrix_feldspar_442nm.txt
Scattering matrix (1) plot:
Scattering matrix elements Feldspar - 442 nm
Scattering matrix (2) wavelength in nm
632.80 nm
Scattering matrix (2) table
matrix_feldspar_633nm.txt
Scattering matrix (2) plot:
Scattering matrix elements Feldspar - 633 nm
Refractive index

Estimated to be in the range [1.5-1.6] + i[0.00001-0.001]

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