Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.23-3.264.32-4.48
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Subconchoidal, Conchoidal
Cleavage
Perfect on {010} imperfect on {100}
{101}, good; {010}, poor
Mohs Hardness
6.5-73.5
2
10
👆🏻
Chemical Composition
Mg 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006)
Zn 2(AsO 4)(OH)Michael OâDonoghue , Gems, Sixth edition (2006)