Open Access
Table 4
Reasons for absorption in meteorites.
| AC (µm) | Reasons | Reference |
|---|---|---|
| 0.44–0.51 | Oldhamite | Burbine et al. (2001) |
| 0.88–0.9 | Trace amount of Fe2+ in enstatite pyroxene | Gaffey & Kelley (2004) |
| 1 | Electronic transitions of Fe2+ in olivine and crystal field transitions of Fe2+ in pyroxene | Burns (1970); Clark Jr (1957) |
| 1.4 | First overtone of hydroxyl (−OH) stretches | Clark et al. (1990) |
| 1.8 | Trace amount of Fe2+ in enstatite pyroxene | Gaffey & Kelley (2004) |
| 1.93–1.94 | Adsorbed water (H2O) | Aines & Rossman (1984); Cloutis (1989) |
| 2 | Crystal field transitions of Fe2+ in pyroxene | Burns (1970); Clark Jr (1957) |
| 2.2–2.3 | Metal-OH bends in phyllosilicates | Clark et al. (1990) |
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