Spectrum NIR reflectance spectrum of the pellet of anorthite 80 at 313 K Spectrum NIR spectrum of the pellet of anorthite 80 at 373 K Spectrum NIR spectrum of the pellet of anorthite 80 at 423 K Spectrum NIR spectrum of the pellet of anorthite 80 at 473 K Spectrum NIR spectrum of the pellet of anorthite 80 at 523 K Spectrum NIR spectrum of the pellet of anorthite 80 at 573 K Spectrum NIR spectrum of the pellet of anorthite 80 at 623 K

Spectrum NIR spectrum of powder of anorthite 80 at 298 K Spectrum NIR spectrum of powder of anorthite 80 at 323 K Spectrum NIR spectrum of powder of anorthite 80 at 373 K Spectrum NIR spectrum of powder of anorthite 80 at 423 K Spectrum NIR spectrum of powder of anorthite 80 at 473 K Spectrum NIR spectrum of powder of anorthite 80 at 523 K Spectrum NIR spectrum of powder of anorthite 80 at 573 K Spectrum NIR spectrum of powder of anorthite 80 at 623 K Spectrum NIR spectrum of powder of anorthite 80 at 673 K

Spectrum NIR spectrum of a pellet of volcanic glasses at 298 K Spectrum NIR spectrum of a pellet of volcanic glasses at 323 K Spectrum NIR spectrum of a pellet of volcanic glasses at 373 K Spectrum NIR spectrum of a pellet of volcanic glasses at 473 K Spectrum NIR spectrum of a pellet of volcanic glasses at 573 K Spectrum NIR spectrum of a pellet of volcanic glasses at 673 K