Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.98-3.105.05
1
7.18
👆🏻
Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Uneven
Cleavage
[100] Perfect, [110] Good, [011] Distinct
[001] perfect
Mohs Hardness
63-3.5
2
10
👆🏻
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Pb 26Ag 10Cu 24Cl 62(OH) 48 · 3H 2OWalter Schumann , Gemstones of the world (2001) More from other references