Categories
MICRON-COSMIC ANALOGS
Summary: AEROSOLS
Micron- cosmic analogs subcategories
Asteroids
Origin
mechanical milling of some of the original Spinel Pebble
Main constituent
spinel (Mg0.96Fe0.04)0.01 (Al1.97Cr0.03)2O4
Practical significance
Spinel is related with the composition of Barbarian asteroids (Cellino et al. 2006, Sunshine et al. 2008 ; Devogèle et al. 2018)
Particle size Mie: reff (μm)
7.2
Particle size Mie: veff
1.3
Size distribution plot
Size distribution table
All SEM images (zip file)
Refractive index
1.72 + i3×0.0001
Color
white
Scattering matrix (1) wavelength in nm
514
Scattering matrix (1) plot
Scattering matrix (1) table
Angle range (deg)
[3,177]
Paper (pdf)
Full reference paper
Frattin E, Martikainen J, Muñoz O, Gómez-Martín J-C, Jardel T, Cellino A, Libourel G, Muinonen K, Peiteado M and Tanga P. Experimental phase function and degree of linear polarization curve of olivine and spinel and the origin of the Barbarian polarization behaviour. MNRAS vol. 517, pp. 5463-5472, 2022.
BibTeX