1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.4 Durability
Not Available
Not Available
1.7 Specific Gravity
2.60-2.652.75-2.80
1
7.18
1.16 Fracture
Uneven, Uneven, Gems, Sixth Edition (2006), Uneven, Conchoidal
Uneven, Granular
1.17 Cleavage
Perfect on {001}, very good on {010}, imperfect on {110}
no true cleavage
1.18 Mohs Hardness
1.19 Chemical Composition
NaAlSi 3O 8Michael OâDonoghue , Gems, Sixth Edition (2006)
Not Available