Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.82-3.972.25-2.40
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
-
Cleavage
Perfect on [001] and [011]
perfect on {010}; good on {100}
Mohs Hardness
5.5-65-5.5
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references