Wahl, Floyd M. Department of Geology, University of Florida, Gainesville, Florida.
Grim, Ralph E. Department of Geology, University of Illinois, Urbana-Champaign, Illinois.
Last reviewed:January 2020
- Atomic substitution
- Other properties
- Related Primary Literature
- Additional Reading
A group name for all clay minerals with an expanding structure, except vermiculite, and also a specific mineral name for the high alumina end member of the group. See also: Vermiculite
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