(POTASH FELDSPAR)
| PROPERTIES | A | B | C | D |
| SIO2 | 65.5 | 65.6 | 65.64 | 65.00 |
| AL2O3 | 18.6 | 18.6 | 18.95 | 17 |
| FE2O3 | 0.1 | 0.1 | 0.1 | 0.1 |
| CA2 | 0.24 | 0.24 | 0.00 | – |
| MGO | 0.14 | 0.14 | 0.00 | – |
| L.O.I | – | 0.3 | 0.3 | 0.3 |
| K2O | 12.5 | 11.98 | 11.3 | 14 |
| NA2O | 2.7 | 2.97 | 3.81 | 3.5 |
specification
(POTASH FELDSPAR)
| PROPERTIES | A | B | C | D |
| SIO2 | 65.5 | 65.6 | 65.64 | 65.00 |
| AL2O3 | 18.6 | 18.6 | 18.95 | 17 |
| FE2O3 | 0.1 | 0.1 | 0.1 | 0.1 |
| CA2 | 0.24 | 0.24 | 0.00 | – |
| MGO | 0.14 | 0.14 | 0.00 | – |
| L.O.I | – | 0.3 | 0.3 | 0.3 |
| K2O | 12.5 | 11.98 | 11.3 | 14 |
| NA2O | 2.7 | 2.97 | 3.81 | 3.5 |