| Purity | 99.5% min |
| Particle size | 0.5-5.0 μm |
| Na | 0.05% max |
| Mg | 0.001% max |
| Fe | 0.001% max |
| SO4 2- | 0.05% max |
| Ca | 0.05% max |
| Cl | 0.005% max |
| H2O | 0.2% max |
| Lead Tungstate | Cesium Tungstate | Calcium Tungstate |
| Barium Tungstate | Zirconium Tungstate |
| Cerium Vanadate | Calcium Vanadate | Strontium Vanadate |
| Lead Stannate | Copper Stannate |