Tenacity
-
-
Solubility
-
Insoluble in acids
Durability
-
-
Specific Gravity
2.65-2.904.20-4.30
1
7.18
👆🏻
Fracture
-
Uneven, Conchoidal
Cleavage
{001} Perfect
{110} good, 100 moderate, parting on {092} and {011}
Mohs Hardness
-99996-6.5
2
10
👆🏻
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
TiO 2Michael OâDonoghue , Gems, Sixth Edition (2006)