Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
2.98-3.104.00-4.65
1
7.18
👆🏻
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven, Sub-Conchoidal
Cleavage
[100] Perfect, [110] Good, [011] Distinct
Perfect on [1011]
Mohs Hardness
65-5.5
2
10
👆🏻
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
ZnCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references