Tenacity
-
-
Solubility
-
-
Durability
-
-
Specific Gravity
2.98-3.102.25-2.40
1
7.18
👆🏻
Fracture
Uneven, Conchoidal
-
Cleavage
{100} Perfect, {110} Good, {011} Distinct
perfect on {010}; good on {100}
Mohs Hardness
5.5-65-5.5
2
10
👆🏻
Chemical Composition
LiAl(PO 4)(OH,F)Walter Schumann , Gemstones of the world (2001) More from other references
NaCa 2Al 5Si 5O 20 · 6H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references