Tenacity
Brittle
-
Solubility
-
insoluble
Durability
-
-
Specific Gravity
3.70-3.902.36
1
7.18
👆🏻
Fracture
Conchoidal
Uneven, Subconchoidal, Fibrous
Cleavage
Perfect on {011}, fair on {100}, poor on {110}
[110] perfect, [101] good, [010] distinct
Mohs Hardness
3.5-43.5-4
2
10
👆🏻
Chemical Composition
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 3(PO 4) 2(OH,F) 3 · 5H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references