Atacamite and Azurite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.745-3.776
3.70-3.90
Fracture
Conchoidal, Conchoidal, Brittle
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Cleavage
Perfect on {010}, fair on {101}
Perfect on {011}, fair on {100}, poor on {110}
Mohs Hardness
3-3.5
3.5-4
Chemical Composition
Cu2Cl(OH)3
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Atacamite and Azurite Chemical Formula
While comparing Atacamite and Azurite physical properties, the important data you should know is its chemical composition. Since chemical formula defines the molecular structure of the crystal, most of the physical properties like color, tenacity, solubility are governed by Atacamite and Azurite chemical formula.
- Chemical formula of Atacamite- Cu2Cl(OH)3
- Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Atacamite and Azurite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Atacamite and Azurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Atacamite and Azurite Optical Properties during the identification of gemstone. Specific gravity of Atacamite is 3.70-3.90 whereas that of Azurite is 3.70-3.90.