1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.7 Specific Gravity
4.32-4.483.20-3.26
1
7.18
2.5 Fracture
Uneven, Subconchoidal, ConchoidalArthur Thomas, Gemstones (2009), Uneven, Subconchoidal, Brittle, Metallic, Brittle, Metallic
Splintery
2.6 Cleavage
{101}, good; {010}, poor
{010} perfect
2.7 Mohs Hardness
2.11 Chemical Composition
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)
Al 2SiO 5Michael OâDonoghue , Gems, Sixth Edition (2006)