1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.15-3.212.58-2.64
1
7.18
2.4 Fracture
Uneven, Subconchoidal, Gemstones (2009)
Gemstones of the world (2001)
2.5 Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Not Available
2.6 Mohs Hardness
2.12 Chemical Composition
LiAlSi2O6
SiO 2Walter Schumann , Gemstones of the world (2001)