1 Physical Properties
1.1 Tenacity
1.2 Solubility
Not Available
Not Available
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
1.5 Fracture
Not Available
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
Perfect in one direction, indistinct in one direction
Fair in four directions forming octahedrons
1.7 Mohs Hardness
1.8 Chemical Composition
Not Available
Cu 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references