1 Physical Properties
1.1 Tenacity
Not Available
Not Available
1.2 Solubility
Not Available
Not Available
1.5 Durability
Not Available
Not Available
1.7 Specific Gravity
3.05-3.21Not Available
1
7.18
2.4 Fracture
Uneven, Subconchoidal, Uneven, Subconchoidal, Splintery, UnevenArthur Thomas, Gemstones (2009)
Not Available
2.5 Cleavage
Good on {110}, poor on {100}
Not Available
2.6 Mohs Hardness
2.12 Chemical Composition
Al 2SiO 5Michael OâDonoghue , Gems, Sixth edition (2006) More from other references
Not Available