1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.4 Durability
Not Available
Not Available
1.6 Specific Gravity
2.65-2.902.64-2.69
1
7.18
1.9 Fracture
Gemstones (2009), Flexible Flexible fragments.
Gems, Sixth Edition (2006), Gems, Sixth Edition (2006)
1.10 Cleavage
{001} Perfect
Not Available
1.11 Mohs Hardness
1.14 Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)