Tenacity
Brittle
-
Solubility
-
-
Durability
-
-
Specific Gravity
5.85-6.153.89-4.18
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Fair in four directions forming octahedrons
{0001}, {11 2 0} imperfect
Mohs Hardness
3.5-45.5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Zn 2SiO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references