1 Physical Properties
1.1 Tenacity
1.2 Solubility
1.3 Durability
Not Available
Not Available
1.4 Specific Gravity
Not Available5.85-6.15
1
7.18
1.5 Fracture
(e.g. graphite).
Conchoidal, Metallic, UnevenArthur Thomas, Gemstones (2009), Brittle, Conchoidal
1.6 Cleavage
{???} Imperfect, {???} Imperfect
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