Spectrum Vis-NIR reflectance spectrum of Water ice particles 67±31μm containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=0h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=1h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=2h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=3h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=4h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=5h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=6h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=7h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=8h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=9h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=10h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=11h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=13h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=15h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=17h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=19h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=24h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=29h) Spectrum Vis-NIR reflectance spectrum of sublimating Water ice particles containing NH4-Nontronite and mixed with Magnetite, Antigorite, Dolomite at 173 K (t=39h) Spectrum Vis-NIR reflectance spectrum of a sublimation residue made of Magnetite, NH4-Nontronite, Antigorite, Dolomite at 173 K (t=59h) Spectrum Vis-NIR reflectance spectrum of a sublimation residue made of Magnetite, NH4-Nontronite, Antigorite, Dolomite at 173 K (t=80h) Spectrum Vis-NIR reflectance spectrum of a sublimation residue made of Magnetite, NH4-Nontronite, Antigorite, Dolomite at 173 K (t=110h) Spectrum Vis-NIR reflectance spectrum of a sublimation residue made of Magnetite, NH4-Nontronite, Antigorite, Dolomite at 173 K (t=133h)