Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.98-3.102.81
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
Conchoidal
Cleavage
{100} Perfect, {110} Good, {011} Distinct
{001} Perfect
Mohs Hardness
5.5-64.5-5
2
10
👆🏻
Chemical Composition
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references