1 Physical Properties
1.1 Tenacity
Not Available
Slightly sectile
1.2 Solubility
Not Available
1.04 x 10−25 g per 100 ml water (Ksp at 25°C = 2 x 10−32)
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Gemstones of the world (2001), UnevenWalter Schumann, Gemstones of the world (2001)
Uneven, Uneven, Gemstones (2009), Brittle
1.6 Cleavage
1,2 prismatic
Prismatic {10 1 0}, perfect
1.7 Mohs Hardness
1.8 Chemical Composition
LiAlSi2O6
HgSMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references