Tenacity
-
-
Solubility
-
insoluble
Durability
-
-
Specific Gravity
2.65-2.906.46-6.57
1
7.18
👆🏻
Fracture
-
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
{001} Perfect
Good [110] and [021]
Mohs Hardness
-99993-3.5
2
10
👆🏻
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
PbCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references