gypsum | Energy Glossary

Explore the Energy Glossary

Look up terms beginning with:

gypsum

1. n. [Geology]

[CaSO472H2O] A highly insoluble sulfate mineral that is the first to precipitate from evaporating seawater. Dehydration of gypsum can produce anhydrite. Fine-grained gypsum is called alabaster.

See related terms: calcium mudcarbon dioxideevaporitehalitehydratescalesedimentary

Photomicrographs of gypsum.