Azurite and Amethyst Physical Properties
Tenacity
Brittle
Not Available
Solubility
Not Available
insoluble in common solvents
Durability
Not Available
Not Available
Specific Gravity
3.70-3.90
2.65
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)
Cleavage
Perfect on {011}, fair on {100}, poor on {110}
Indiscernible
Chemical Composition
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
SiO2
Azurite and Amethyst Chemical Formula
While comparing Azurite and Amethyst 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 Amethyst 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 Amethyst- SiO2
Azurite and Amethyst Specific Gravity
Another important criteria for qualitative analysis of gemstones is Azurite and Amethyst Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Amethyst Optical Properties during the identification of gemstone. Specific gravity of Azurite is 2.65 whereas that of Amethyst is 2.65.