|
Chemical formula
|
Al2SiO5 _ _ _ |
|
Crystalline system
|
triclinic |
|
Class
|
silicates |
| Origin | Minas Gerais, Brazil |
| Size | 2.0-3.0cm |
Crystallized kyanite with a great intense blue color and some with transparency.
It is a mineral that is mainly used in refractory and ceramic products, including porcelain. It is also used in the manufacture of electrical tools.
It is a relatively rare mineral and is coveted as a precious stone. It is used in Jewelry for its beautiful play of color when polished.
The mineral includes a label with the name and origin and is attached to a cardboard box. 4 cm square.
*The price is per unit (a single cardboard box of the four shown in the photo)
Since the minerals are natural, you will receive a piece similar to the one in the photograph. The minerals come in cardboard boxes and are glued to a porex base with hot silicone; these can be removed using ethyl alcohol without damaging the mineral. The size is approximate.