1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Not Available
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
Not Available
Distinct on {100} and {110}
1.7 Mohs Hardness
1.8 Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006)
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)