| Chemical Composition and Size of Andalusite | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Grade | Al2O3 | SiO2 | Fe2O3 | TiO2 | CaO | MgO | Na2O | K2O | Size |
| Y56 | 56 | 41.5 | 1.2 | 0.3 | 0.5 | 0-1mm,1-3mm,200mesh | |||
| Y57 | 57 | 40.3 | 0.8 | 0.25 | 0.1 | 0.15 | 0.1 | 0.2 | 0-1mm,1-3mm,200mesh |
| Y58 | 58 | 38.5 | 0.8 | 0.15 | 0.2 | 0.1 | 0.1 | 0.35 | 0-1mm,1-3mm,200mesh |