Tenacity
-
Brittle
Solubility
-
-
Durability
-
-
Specific Gravity
3.70-3.955.00-5.30
1
7.18
👆🏻
Fracture
-
Uneven, ConchoidalWalter Schumann, Conchoidal
Cleavage
1,1 basal.
None, may show partings on {0001} and {10 1 1}
Mohs Hardness
3.5-46
2
10
👆🏻
Chemical Composition
(Cu) 3(OH) 2(CO 3) 2 + Cu 2(CO 3)(OH) 2Gemdat.org , Management Team (2012)
Fe 2O 3Arthur Thomas , Gemstones (2009)