1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.95-4.102.65-2.90
1
7.18
1.5 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006)
Gemstones (2009), Flexible Flexible fragments.
1.6 Cleavage
Not Available
{001} Perfect
1.7 Mohs Hardness
Not AvailableNot Available
2
10
1.8 Chemical Composition
Al 2O 3Michael OâDonoghue , Gems, Sixth Edition (2006)
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references