1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
3.53-3.653.89-4.18
1
7.18
1.5 Fracture
Splintery, Brittle, Metallic
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven
1.6 Cleavage
[100] perfect [010] imperfect with 79° angle between
{0001}, {11 2 0} imperfect
1.7 Mohs Hardness
1.8 Chemical Composition
Not Available
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references