// Workers AI · dad joke modeWhat did gismondine say to its date? You're a mineral match.
| Gismondine | |
|---|---|
 Gismondine, Campo de Calatrava, Ciudad Real, Spain | |
| General | |
| Category | Tectosilicate minerals |
| Group | Zeolite group |
| Formula | CaAl2Si2O8·4H2O |
| Dana classification | 77.1.3.1 |
| Crystal system | Monoclinic |
| Crystal class | Prismatic (2/m) (same H-M symbol) |
| Space group | P21/n |
Gismondine is a mineral with the chemical formula CaAl2Si2O8·4H2O. It is a zeolite or hydrated aluminosilicate. It forms colorless, bipyramidal crystals of orthorhombic symmetry.
Gismondine was named for Italian mineralogist Carlo Giuseppe Gismondi (1762–1824). It has been found in Iceland, Ireland, and Italy.
References
[edit]External links
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