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| Clay structure | Clay types | |
|---|---|---|
| Layered | 1 : 1 | Halloysite, kaolinite, rectorite |
| 2 : 1 | Bentonite, hectorite, LAPONITE®, montmorillonite, sepiolite, saponite, vermiculite, illite, muscovite, biotite | |
| 2 : 1 : 1 | Chlorite | |
| Fibrous | Attapulgite | |
