Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
3.87-4.142.08-2.16
1
7.18
👆🏻
Fracture
Subconchoidal, Conchoidal
Irregular/uneven
Cleavage
Poor on {120}, in traces on {001}
distinct/good on {1011}
Mohs Hardness
5.5-64.5
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaAl 2Si 4O 12 -6H 2OArthur Thomas , Gemstones (2009)