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Table 2 Summary of mineralogic properties of the adhering grains

From: Adhering grains and surface features on two Itokawa particles

Figure Adhering particle Mineralogy Size Impact residue Notes
Fig. 4a (left grain) RB-DQ04-0062 (Naoko) Chromite 750 × 320 nm No Host olivine and the chromite are a lithic fragment
Fig. 4a (right grain) RB-DQ04-0062 (Naoko) Aggregate of glassy Si-rich material and troilite 380 × 215 nm No Itokawa-like material
Fig. 4b RB-DQ04-0091 (Mizuki) SiO2 glass 1.5 × 0.4 μm Yes Porous grain
Fig. 4c (left grain) RB-DQ04-0091 (Mizuki) Low-Ca pyroxene (En73) 350 × 150 nm No Itokawa-like material
Fig. 4c (right grain) RB-DQ04-0091 (Mizuki) Carbon ~110 nm No Contamination?
Fig. 4d RB-DQ04-0091 (Mizuki) Phosphate 1 × 0.4 μm Yes Likely ejecta from a micrometeoroid impact
Fig. 4e (left grain) RB-DQ04-0062 (Naoko) Olivine (Fa21) 900 × 340 nm Yes Planar crystallographic deformation features
Fig. 4e (middle grain) RB-DQ04-0062 (Naoko) Aggregate of Fe metal and S-rich material ~300 nm in length Yes Lack of Ni in the Fe metal grain
Fig. 4e (right grain) RB-DQ04-0062 (Naoko) Glassy SiO2 with variable amounts of FeO and MgO (see Table 1) ~340 nm in length Yes Porous grain. Beam damage at the contact with the host grain
Fig. 4f RB-DQ04-0091 (Mizuki) Plagioclase (An12Ab62) 1.5 × 1 μm No Itokawa-like material