Collophane CL/OM measurement, Karakus et al. 2001
Measurement details
| Reference | Karakus M., Hagni R. D. & Spreng A. C. (2001). Cathodoluminescence petrography and chemistry of the phosphate grains in the lower Jurassic (Aalenian) ironstones of Lorraine, France. Studies on Ore Deposits, Mineral Economics, and Applied Mineralogy: With Emphasis on Missippi Valley-Type Base Metals and Carbonate-Related Ore Deposits, 335-363. |
| Material | Collophane [ Ca5(PO4)3(OH, F, Cl) ] |
| Specimen temperature | Ambient |
| Analysis technique | Cathodoluminescence (CL), using an optical microscope |
| Lines | Dy3+ 480 nm, 575 nm, {{linesearch:15e1aeac-3ff7-4110-a630-9cdeac5f285e|Eu2+}}: 410 nm, {{linesearch:2cc2b62c-2ccd-4900-acdf-5aa2691c1346|Sm3+}}: 590 nm, 645 nm, {{linesearch:9a0e132e-1226-447b-8e52-91932fbb3d25|Tb3+}}: 550 nm |
Composition
| Element | At% | Wt% |
|---|---|---|
| H | 4.7 | 0.21 |
| Ca | 23.24 | 41.33 |
| C | 2.33 | 1.24 |
| P | 11.62 | 15.97 |
| O | 58.11 | 41.25 |
| Total | 100 | 100 |