| 1. | The clay minerals represented are largely kaolinite, montmorillonite and illite.
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| 2. | The chlorite, muscovite, illite, cookeite, and kaolinite.
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| 3. | The focus of an illite crystallinity XRD plot is the main peak.
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| 4. | Literature articles will refer to a R1 ordered illite-smectite, for example.
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| 5. | The common clay minerals are montmorillonite or smectite, illite, and kaolinite or kaolin.
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| 6. | Illite is also called hydromica or hydromuscovite.
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| 7. | In addition to montmorillonite and illite another common clay species that is sometimes dominant is kaolinite.
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| 8. | R1 ordered chlorite-smectite is known as corrensite, R1 illite-smectite is rectorite.
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| 9. | The transformation of smectite to illite produces silica, sodium, calcium, magnesium, iron and water.
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| 10. | Ammonium fixation occurs when ammonium pushes potassium ions from between the layers of clay such as illite or montmorillonite.
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