Properties
Mineral group: Sillimanite (Fibrolite)
Chemistry: Al2SiO5
Color: Colourless, Bluegreen, Blue, Green, Brown
Crystal system: Orthorombic
Mohs Scale hardness: 6-7,5
Refractive index: 1,653-1,685
Birefringence: 0,014-0,021
Specific gravity: 3,20-3,26
Other
Sillimanite is very rare as/in gemstonequality. Considered very hard to cut facet sillimanite because of its different hardness and perfect clevage. Sillimanite Cat´s Eye is a varity of sillimanite that also have the cat´s eye effect.
Read/Learn more about Sillimanite under "Gemstoneinformation"
Sillimanite Cat's Eye in Healing (Source: ChatGPT)
Sillimanite Cat's Eye, a variant of the rare crystal sillimanite with the unique cat's eye pattern, is highly valued in healing and energy work. Its properties are linked to inner strength, focus, and spiritual development.
Read / learn more about Sillimanite Cat's Eye – Healing Properties
