|
Chemical formula
|
Ca 2 Al(Si 3 Al)O 10 (OH) 2 |
|
Crystalline system
|
orthorhombic |
|
Class
|
silicates |
| Origin |
Midelt, Morocco |
| Size | 3.0-4.0cm |
Precious crystals of Prehnite with a faint green color characteristic of this mineral.
It is used mainly for its scientific interest and collecting.
The piece you receive may differ slightly from the photo shown as the minerals are natural and no piece is identical. The size is approximate.