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
(e.g. graphite).
Uneven, Uneven, ConchoidalAnthony et al, Handbook of mineralogy (2001), Brittle, Conchoidal
1.6 Cleavage
{010} Good
Distinct on {100} and {110}
1.7 Mohs Hardness
1.8 Chemical Composition
AsSMichael OâDonoghue , Gems, Sixth Edition (2006)
3NaAlSi 3O 8 · NaClAnthony et al , Handbook of mineralogy (2001)