Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.87-4.142.6-3.3
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Lamellar
Cleavage
Poor on {120}, in traces on {001}
Perfect 001
Mohs Hardness
5.5-62-2.5
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe)3(Si,Al)4O10(OH)2·(Mg,Fe)3(OH)6