1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Sub-Conchoidal, Splintery
Subconchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001) More from other references, Brittle, Conchoidal
1.6 Cleavage
{201} Imperfect, {100} Poor, {001} Poor
Perfect on {001}, poor on {201} with 38.5° angle between the two
1.7 Mohs Hardness
1.8 Chemical Composition
Not Available
LiAlSi 4O 10Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references