Spectrum VIS-NIR-MIR reflectance spectrum of Olivine powder (sub-µm grains) Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 99:1 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 95:5 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 90:10 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 85:15 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 80:20 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 70:30 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 60:40 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 50:50 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 40:60 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 30:70 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 20:80 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 10:90 vol% Spectrum VIS-NIR reflectance spectrum of Olivine and Iron sulfides (sub-µm grains) mixture 1:99 vol% Spectrum VIS-NIR-MIR reflectance spectrum of Iron sulfides powder (sub-µm grains)