Figure 5From: The mineralogy and space weathering of a regolith grain from 25143 Itokawa and the possibility of annealed solar wind damageTroilite exposed at the front surface of RA-QD02-0115. (A) TEM bright-field image showing a 4 to 8 nm wide rim. (B) HR-TEM image of the polycrystalline sulfide rim showing crystallites that are consistent with hexagonal FeS.Back to article page