Tenacity
-
-
Solubility
-
Soluble
Durability
-
-
Specific Gravity
3.05-3.213.50-3.53
1
7.18
👆🏻
Fracture
Uneven, Subconchoidal, Splintery
Conchoidal
Cleavage
Good on {110}, poor on {100}
111 (perfect in four directions)
Mohs Hardness
7.510
2
10
👆🏻
Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
C