Tenacity
Brittle
Brittle
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.87-4.143.15-3.21
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven, Subconchoidal
Cleavage
Poor on {120}, in traces on {001}
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Mohs Hardness
5.5-66-7
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
LiAlSi2O6