1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
2.60-2.652.35-2.60
1
7.18
1.7 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Conchoidal, ConchoidalWalter Schumann, Conchoidal
1.8 Cleavage
Perfect on {001}, very good on {010}, imperfect on {110}
Not Available
1.9 Mohs Hardness
1.12 Chemical Composition
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Not Available