1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.5 Durability
Not Available
Not Available
1.7 Specific Gravity
3.95-4.102.77-2.88
1
7.18
1.8 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Uneven
1.9 Cleavage
Not Available
Perfect basal
1.10 Mohs Hardness
1.11 Chemical Composition
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
K(Al,Cr) 3Si 3O 10(OH) 2Gemdat.org , Management Team (2012)