1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Sub-Conchoidal, Splintery
Uneven, Uneven, Gems, Sixth Edition (2006)
1.6 Cleavage
{201} Imperfect, {100} Poor, {001} Poor
Perfect [001] good [010] poor [110]
1.7 Mohs Hardness
1.8 Chemical Composition
Not Available
CaAl 2Si 2O 8Michael OâDonoghue , Gems, Sixth Edition (2006)