Spectrum Vis-NIR reflectance spectrum of Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture at 167 K Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 1.18h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 2.3h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 2.99h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 3.67h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 4.35h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 5.03h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 5.72h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 6.41h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 7.09h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 7.78h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 8.47h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 9.17h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 9.86h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 10.54h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 14.85h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 15.54h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 19.63h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 20.31h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 21h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 21.68h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 22.36h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 23.52h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 24.21h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 24.89h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 25.58h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 26.26h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 26.95h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 27.63h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 28.31h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 29h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 29.68h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 30.36h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 31.04h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 31.73h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 32.43h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 33.13h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 33.81h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 35.59h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 36.28h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 36.97h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 37.67h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 38.36h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 39.05h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 39.74h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 40.44h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 41.13h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 41.82h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 42.51h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 43.2h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 43.9h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 47.59h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 47.28h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 48.97h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 49.66h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 50.36h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 51.03h Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles 67±31 μm containing 1 wt.% Smectite in intra-mixture after 51.74h