Tenacity
-
-
Solubility
Insoluble in acids
-
Durability
-
-
Specific Gravity
4.20-4.302.60-2.64
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Uneven, Splintery, Conchoidal
Cleavage
{110} good, 100 moderate, parting on {092} and {011}
Absent
Mohs Hardness
6-6.56.5-7
2
10
👆🏻
Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
SiO 2Arthur Thomas , Gemstones (2009)