Spectrum Vis-NIR reflectance spectrum (i = 0°, e = 30°) of raw chips of the Oued Chebeika CI chondrite recorded at ambient temperature and pressure conditions Spectrum Vis-NIR reflectance spectrum (i = 0°, e = 30°) of a powdered sample of the Oued Chebeika CI chondrite recorded at ambient temperature and pressure conditions Spectrum Vis-NIR reflectance spectrum (i = 0°, e = 30°) of a powdered sample of the Oued Chebeika CI chondrite recorded under vacuum

Spectrum Mid-IR reflectance spectrum of raw chips of the Oued Chebeika CI chondrite Spectrum Mid-IR reflectance spectrum of raw chips of the Oued Chebeika CI chondrite recorded after 40 minutes

Spectrum Mid-IR absorbance spectrum of a matrix fragment of the Oued Chebeika meteorite (CI chondrite) under ambient conditions of pressure and temperature Spectrum Mid-IR absorbance spectrum of a matrix fragment of the Oued Chebeika meteorite (CI chondrite) under vacuum Spectrum Mid-IR absorbance spectrum of a matrix fragment of the Oued Chebeika meteorite (CI chondrite) under ambient conditions of pressure and temperature Spectrum Mid-IR absorbance spectrum of a matrix fragment of the Oued Chebeika meteorite (CI chondrite) under vacuum Spectrum Mid-IR absorbance spectrum of a matrix fragment of the Oued Chebeika meteorite (CI chondrite) under ambient conditions of pressure and temperature Spectrum Mid-IR absorbance spectrum of a matrix fragment of the Oued Chebeika meteorite (CI chondrite) under vacuum Spectrum Mid-IR absorbance spectrum of a matrix fragment of the Oued Chebeika meteorite (CI chondrite) under ambient conditions of pressure and temperature Spectrum Mid-IR absorbance spectrum of a matrix fragment of the Oued Chebeika meteorite (CI chondrite) under vacuum Spectrum Average and baseline-corrected Mid-IR absorbance spectrum obtained on matrix fragments of the Oued Chebeika meteorite (CI chondrite) under vacuum