1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Not Available
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
Perfect in one direction, indistinct in one direction
Poor on {120}, in traces on {001}
1.7 Mohs Hardness
1.8 Chemical Composition
Not Available
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references