Table 2. Chemical composition of zeolite and halloysite.
| Components | Zeolite (%) |
|---|---|
| SiO2 (silicon dioxide) | 71.30 |
| Al2O3 (aluminium oxide) | 13.10 |
| CaO (calcium oxide) | 5.20 |
| K2O (potassium oxide) | 3.40 |
| Fe2O3 (iron (III) oxide) | 1.90 |
| MgO (magnesium oxide) | 1.20 |
| Na2O (sodium oxide) | 1.30 |
| TiO2 (titanium oxide) | 0.30 |
| Si/Al (silicon / aluminium) | 5.40 |
| Clinoptilolite | 84.00 |
| Cristobalit | 8.00 |
| Mica clay | 4.00 |
| Plagioclases | 3.50 |
| Rutile | 0.20 |
| Components | Halloysite (%) |
| Al (aluminium) | 13.00 |
| Si (silicon) | 12.00 |
| Ca (calcium) | 0.40 |
| Mg (mangesium) | 0.30 |
| Na (sodium) | 0.10 |
| K (potassium) | 0.08 |
| P (phosphorus) | 0.30 |
| Fe (iron) | 9.00 |
| Ti (titanium) | 1.00 |
| Mn (manganese) | 0.20 |