1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Uneven, Subconchoidal, Gemstones (2009)
Conchoidal, Uneven, ConchoidalArthur Thomas, Brittle
1.6 Cleavage
Perfect prismatic, two directions {110} ∧ {1 1 0} at 87°
Distinct on {10 1 1}, imperfect on {01 1 2}
1.7 Mohs Hardness
1.8 Chemical Composition
LiAlSi2O6
Ag 3SbS 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references