NW904 Ordinary Chondrite. Olivine Chondrule.

NW904 ordinary chondrite in thin section (~0.1 mm). Olivine chondrule.

Spectra obtained on a bright olivine crystal are presented below. As the section is very thin, the intensities of the absorbance peaks are much lower and the signal to noise ratio decreases. Nevertheless,  the 3 peaks structure of iron II in the olivine structure are still visible. Compare this spectrum to the forsterite thick crystal    or the Pallasite spectrum.