Ulexite PL/XL measurement, x-ray beam, Gaft et al. 1979; 1981
Measurement details
| Reference | Gaft M.L., Gorobets B.S. and Malinko S.V. Typochemical peculiarities of luminescence of rare earth elements in calcium borosilicates. - Dokladi Akademii Nauk SSSR. - 1979. - V. 244. - No. 5. - P. 171-174. ; Gaft M.L., Gorobets B.S. and Malinko S.V. On the possibilities of luminescence identification of minerals of boron in rocks. - In: New Data on Minerals. - Moscow: Nauka. - 1981. - No. 29. - P. 36-48. |
| Material | Ulexite [ NaCaB5O6(OH)6·5H2O ] |
| Specimen temperature | Ambient |
| Technique | X-ray photoluminescence |
| Probe | X-ray beam |
| Lines | Sm3+ 655 nm, Unspecified 450 nm |
Composition
| Element | Atoms | At% | Wt% |
|---|---|---|---|
| Na | 1 | 2.5 | 5.67 |
| Ca | 1 | 2.5 | 9.89 |
| B | 5 | 12.5 | 13.3 |
| O | 17 | 42.5 | 67.1 |
| H | 16 | 40 | 3.98 |