MrLundScience | Mineral Spotlight - Kyanite @MrLundScience | Uploaded March 2024 | Updated October 2024, 4 days ago.
Kyanite

Group: Silicates - Neosilicates
Composition - Al2SiO5
Mohs Hardness: 4.5 ; 6.0
Crystal System: Triclinic
Form/Habit: Bladed
Cleavage: Perfect
Fracture: Splintery
Luster: Vitreous
Streak: Colorless
Specific Gravity: 3.6
Healing Properties: None