Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.82-3.972.55-2.63
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Uneven
Cleavage
Perfect on [001] and [011]
{001} Perfect, {010} Good
Mohs Hardness
5.5-66-6.5
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
KAlSi 3O 8Arthur Thomas , Gemstones (2009)