 |
Analisys
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| MINERAL COMPOSITION |
Min % |
Max % |
| Phillipsite |
25 |
30 |
| Chabazite |
5 |
10 |
| Altered basaltic glass (Palagonite) |
50 |
60 |
| Calcite |
5 |
6 |
| Olivine and altered olivine% |
5 |
6 |
| Gypsum |
- |
1 |
CHEMICAL
PROPERTIES |
|
| PH in 10% water slurry |
7.3 – 7.8 |
| Acid stability |
Stable at very low pH of 2 |
| Alkali stability |
Stable at high pH of 14 |
| Cation Exchange capacity |
100 –150 meq/100 g |
| Cationic selectivity |
K > NH4 > Na > Ca |
CHEMICAL ANALYSIS |
Wt. % |
| SiO2 |
42.0 |
| Al2O3 |
14.0 |
| K2O exchangeable (water insoluble) |
1.5 |
| MgO exchangeable (water insoluble) |
4.8 |
| CaO exchangeable (water insoluble) |
4.5 |
| P2O5 exchangeable (water insoluble) |
0.2 |
| SCREEN ANALYSIS |
% passing |
| 8 mesh |
100 |
| 10 mesh |
98 |
| 20 mesh |
55 |
| 40 mesh |
30 |
| 60 mesh |
20 |
| 100 mesh |
10 |
| 200 mesh |
5 |
|
 |
 |
