Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.87-4.145.85-6.15
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Conchoidal
Cleavage
Poor on {120}, in traces on {001}
Fair in four directions forming octahedrons
Mohs Hardness
5.5-63.5-4
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references