smectite | Energy Glossary

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1. n. [Geology]


A group of clay minerals that includes montmorillonite. This type of mineral tends to swell when exposed to water. Bentonite includes minerals of the smectite group.

See: bentoniteclayhectoritemineralmontmorillonite

SEM of authigenic quartz and smectite
SEM of authigenic quartz and smectite.