1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available3.19-3.23
1
7.18
1.5 Fracture
Sub-Conchoidal, Splintery
Conchoidal, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle
1.6 Cleavage
{201} Imperfect, {100} Poor, {001} Poor
{110} good
1.7 Mohs Hardness
1.8 Chemical Composition
Not Available
KNa 2Li(Fe2+ ,Mn2+ ) 2Ti 2Si 8O 24Michael OâDonoghue , Gems, Sixth Edition (2006)