Tenacity
Brittle
Brittle
Solubility
-
Easily soluble in cold dilute HCl
Durability
-
-
Specific Gravity
3.70-3.904.12
1
7.18
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Fracture
Conchoidal
Uneven
Cleavage
Perfect on {011}, fair on {100}, poor on {110}
Good in two directions parallel to the prism faces {110}
Mohs Hardness
3.5-44-4.5
2
10
👆🏻
Chemical Composition
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
CaZn(AsO4)(OH)