Figure 2. Representative X-ray diffraction patterns for a trioctahedral expandable saponite from Sample 168-1032A-13R-4, 21-29 cm (Piece 4). A. Clay sample, air dried. B. After glycolation for 24 hr. C. After heating at 400×C for 3 hr.

Figure 2. Representative X-ray diffraction patterns for a trioctahedral expandable saponite from Sample 168-1032A-13R-4, 21-29 cm (Piece 4). A. Clay sample, air dried. B. After glycolation for 24 hr. C. After heating at 400°C for 3 hr.