Tenacity
Brittle
-
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.87-4.143.95-4.03
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven
Cleavage
Poor on {120}, in traces on {001}
None, but may exhibit parting
Mohs Hardness
5.5-69
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 2 O 3