Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.98-3.103.16-3.23
1
7.18
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Fracture
Sub-Conchoidal, Irregular/uneven, Uneven, Conchoidal
Conchoidal, Uneven, Conchoidal to uneven
Cleavage
[100] Perfect, [110] Good, [011] Distinct
[0001] indistinct, [1010] indistinct
Mohs Hardness
65
2
10
👆🏻
Chemical Composition
(Li,Na)Al(PO 4)(F,OH)Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Ca 5(PO 4) 3(F,OH,Cl)Walter Schumann , Gemstones of the world (2001) More from other references