|
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 |
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