Montmorillonite mineral
Clay mineral montmorillonit consistining of (30 g):
| Silicium SiO2 | 2,1 g |
| Natrum | 1 mg |
| Calcium | 53 mg |
| Ferrum (Fe2O3) | 91 mg |
| Magnesium | 46 mg |
| Potassium | 2 mg |
| Aluminium oxide | 0,7 g |
(in the form of the non-soluble alumosilicate).
Small doses of Manganese and Titanium may be present. All values can vary ± 15 %, as it is a natural product.