Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
-99992.65-2.90
1
7.18
👆🏻
Fracture
-
-
Cleavage
None
{001} Perfect
Mohs Hardness
7-9999
2
10
👆🏻
Chemical Composition
SiO2
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references