Azurite and Corundum Physical Properties
Solubility
Not Available
insoluble
Durability
Not Available
Not Available
Specific Gravity
3.70-3.90
3.90-4.05
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Uneven, Uneven, Gems, Difficult, Fibrous
Cleavage
Perfect on {011}, fair on {100}, poor on {110}
None – parting in 3 directions
Chemical Composition
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Al 2O 3Arthur Thomas , Gemstones (2009)
Azurite and Corundum Chemical Formula
While comparing Azurite and Corundum 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 Azurite and Corundum chemical formula.
- Chemical formula of Azurite- Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
- Chemical formula of Corundum- Al 2O 3Arthur Thomas , Gemstones (2009)
Azurite and Corundum Specific Gravity
Another important criteria for qualitative analysis of gemstones is Azurite and Corundum Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Corundum Optical Properties during the identification of gemstone. Specific gravity of Azurite is 3.90-4.05 whereas that of Corundum is 3.90-4.05.