1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
Conchoidal, Uneven, ConchoidalArthur Thomas, Gemstones (2009)
1.6 Cleavage
Poor on {120}, in traces on {001}
Indistinct
1.7 Mohs Hardness
1.8 Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Mg,Fe2+ )Al 2O 4Gemdat.org , Management Team (2012) More from other references