1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Dilute acid
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Not Available
Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle
1.6 Cleavage
{100} and {010} perfect
Distinct on {010}, imperfect {110} and {011}
1.7 Mohs Hardness
1.8 Chemical Composition
LiNa(Zr,Ti,Hf)Si 6O 15Ulrich Henn and Claudio C.
CaCO 3Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references