Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.812.98-3.10
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Conchoidal
Cleavage
{001} Perfect
{100} Perfect, {110} Good, {011} Distinct
Mohs Hardness
4.5-55.5-6
2
10
👆🏻
Chemical Composition
NaAl 3(PO 4) 2(OH) 4 · 2H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references