| Element | % |
| Oxide | % |
| k1013-1 |
| |
| |
| O | 51.70 | | | |
|
2mm green cubes
|
|
National Bureau of Standards
|
| |
| Mg | 5.86 | | MgO | 9.72 |
| Al | 6.08 | | Al2O3 | 11.49 |
| P | 32.26 | | P2O5 | 73.92 |
| Ti | 0.21 | | TiO2 | 0.35 |
| Cr | 0.14 | | Cr2O3 | 0.20 |
| Ni | 0.31 | | NiO | 0.39 |
| Ge | 0.34 | | GeO2 | 0.49 |
| Zr | 0.45 | | ZrO2 | 0.61 |
| Ba | 0.52 | | BaO | 0.58 |
| Eu | 0.53 | | Eu2O3 | 0.61 |
| Th | 0.11 | | ThO2 | 0.12 |
| U | 0.15 | | UO2 | 0.17 |
|
|
|
| Sum | 98.7 | | Sum | 98.6 |
|