Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.65-2.902.98-3.10
1
7.18
👆🏻
Fracture
-
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
{001} Perfect
[100] Perfect, [110] Good, [011] Distinct
Mohs Hardness
-99996
2
10
👆🏻
Chemical Composition
Al 2Si 4O 10(OH) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references