Table 2. Composition of Na-Bentonite13.
| quartz (%) | cristobalite (%) | K-feldspar (%) | montmorillonite (%) | muscovite (%) | illite (%) | gypsum (%) |
|---|---|---|---|---|---|---|
| 1 | 15 | 9 | 54 | 7 | 12 | 2 |
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