|
Chemical formula
|
CASO 4 ·2H 2 O |
|
Crystalline System
|
Monoclinic |
|
Class
|
Sulfates |
| Origin | Cuenca, Spain |
| Size |
Medium: 3.00-4.00 cm Large: 4.00-5.00 cm |
Crystallized transparent plaster.
Gypsum occurs in crystals, sometimes large, twinned into arrowheads and spearheads; also in masses and spatic aggregates.
It is a highly appreciated material in restoration, it contains few impurities and is used to provide the last finishing layer on the walls of buildings.
The piece you receive may differ slightly from the photo shown, since the minerals are natural and no pieces are identical. The size is approximate.