Tenacity
Brittle
-
Solubility
-
insoluble in common solvents
Durability
-
-
Specific Gravity
3.82-3.972.65
1
7.18
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Fracture
Subconchoidal, Conchoidal
Conchoidal, ConchoidalWalter Schumann
Cleavage
Perfect on [001] and [011]
Indiscernible
Mohs Hardness
5.5-67
2
10
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Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
SiO2