Opal CL/PL measurement, Gorobets and Rogojine 2002; Gotze 2000
Measurement details
| Reference | Gorobets B.S., Rogojine A.A. (2002). Luminescent Spectra of Minerals: Reference Book. All-Russia Institute of Mineral Resources. Moscow. - P. 208. - Fig. 13.3. - P. 264. - Fig. 23.2. |
| Material | Opal [ SiO2·nH2O ] |
| Specimen temperature | Ambient |
| Technique | CL/PL |
| Lines | Singlet-triplet 440 nm, Unspecified 400 nm, 410 nm, 520 nm, 540 nm, 550 nm |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| H | 3.47 | 3.47 | 0.181 |
| Si | 32.24 | 32.24 | 46.73 |
| O | 64.29 | 64.29 | 53.09 |