Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.98-3.103.83-3.89
1
7.18
👆🏻
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven, Conchoidal
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Perfect on {01 1 1}
Mohs Hardness
63.5-4.5
2
10
👆🏻
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Fe2+ CO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references