1 Physical Properties
1.1 Tenacity
1.2 Solubility
Insoluble in acids
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
4.20-4.303.396-3.443
1
7.18
1.5 Fracture
Uneven, ConchoidalArthur Thomas, Gemstones (2009)
Brittle, Metallic
1.6 Cleavage
{110} good, 100 moderate, parting on {092} and {011}
[001] good, [100] and [110] fair
1.7 Mohs Hardness
1.8 Chemical Composition
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)
Ca 2ZnSi 2O 7Anthony et al , Handbook of mineralogy (2001)