Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.87-4.143.0-3.1
1
7.18
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Fracture
Subconchoidal, Conchoidal
-
Cleavage
Poor on {120}, in traces on {001}
Perfect on {001}
Mohs Hardness
5.5-63.5
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Ca(Mg,Al)3(Al3Si)O10(OH)2