Tenacity
Brittle
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
5.85-6.155.9-6.3
1
7.18
👆🏻
Fracture
Conchoidal
Conchoidal, Uneven
Cleavage
Fair in four directions forming octahedrons
On {101}, distinct; on {112}, interrupted; on {001}, indistinct
Mohs Hardness
3.5-44.5-5
2
10
👆🏻
Chemical Composition
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaWO 4Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references