|
Chemical formula
|
Sn O 2 |
|
Crystalline System
|
Tetragonal |
|
Class
|
Oxides |
| Origin | Panasqueira, Portugal |
| Size |
Medium: 3.00-4.00 cm Large: 4.00-5.00 cm |
Cassiterite on pegmatite matrix.
Cassiterite is a fundamental mineral for obtaining tin, which, in turn, is used in alloy with copper to obtain bronze.
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.