Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.69-2.792.98-3.10
1
7.18
👆🏻
Fracture
Conchoidal
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Cleavage
Poor on {0001}
[100] Perfect, [110] Good, [011] Distinct
Mohs Hardness
5.5-6.56
2
10
👆🏻
Chemical Composition
KNa 2(Fe3+ ,Mn3+ ,Al) 2Li 3Si 12O 30Michael 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