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