Formula: CaSO4·2H2O
A transparent crystal form of the mineral gypsum. This can occur in clays and is the cause of efflorescence.
| Minerals |
Gypsum
Gypsum is hydrated calcium sulphate, CaSO4 2H2O. It is the crystalline mineral from which plaster is |
| URLs |
http://en.wikipedia.org/wiki/Selenite
Selenite at Wikipedia |
| Glossary |
Efflorescence
A common problem with dry and fired ceramic. It is evident by the presence of a light or dark colored scum on the dry or fired surface. |
| Temperatures | Sulfur evolution (425-650) |
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