Tridymite (var. lunar) CL spectrum, e- beam, Götze 2009b
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Measurement details
| Description | Spectrum of Tridymite (var. lunar), from Luna 24 |
| Reference | Götze 2009b Götze J. (2009). Cathodoluminescence Microscopy and Spectroscopy of Lunar Rocks and Minerals. In: Gucsik A. (ed) Cathodoluminescence and its Application in the Planetary Sciences. Springer Berlin Heidelberg, Berlin, Heidelberg. 978-3-540-87529-1 DOI: https://doi.org/10.1007/978-3-540-87529-1_5 |
| Date measured | 2024-01-30 |
| Material | Tridymite (var. lunar) [ SiO2 ] |
| Analysis technique | Cathodoluminescence (CL) |
| Probe | Electron beam |
| Beam current | 100 nA |
| Acquisition time | 5 s |
| Channel count | 1024 |
| Wavelength range | 317.209 … 781.337 nm |
| Intensity range | 3 … 198 counts |
| Integral | 82880 counts |
| Line | Unspecified 500 nm (100%) |
Specimen details
| Name | Luna 24 regolith |
| Owner | Union of Soviet Socialist Republics (USSR) |
| Locality | 12.7145°N 62.2097°E, Mare Crisium, The Moon |
| Type | Regolith |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Si | 1 | 33.3 | 46.7 |
| O | 2 | 66.7 | 53.3 |
| Total | 3 | 100 | 100 |