Azurite and Legrandite Physical Properties
Solubility
Not Available
Not Available
Durability
Not Available
Not Available
Specific Gravity
3.70-3.90
3.98-4.04
Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal
Conchoidal, UnevenArthur Thomas, Gemstones (2009), Brittle
Cleavage
Perfect on {011}, fair on {100}, poor on {110}
Imperfect, poor one {100}
Mohs Hardness
3.5-4
4.5-5
Chemical Composition
Cu 3(OH) 2(CO 3) 2Michael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Azurite and Legrandite Chemical Formula
While comparing Azurite and Legrandite 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 Legrandite 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 Legrandite- Zn 2(AsO 4)(OH) · H 2OMichael OâDonoghue , Gems, Sixth Edition (2006) More from other references
Azurite and Legrandite Specific Gravity
Another important criteria for qualitative analysis of gemstones is Azurite and Legrandite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Legrandite Optical Properties during the identification of gemstone. Specific gravity of Azurite is 3.98-4.04 whereas that of Legrandite is 3.98-4.04.