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Azurite and Ruby Physical Properties


Ruby and Azurite Physical Properties


Physical Properties

Tenacity
Brittle   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.70-3.90   
3.97-4.05   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Brittle, Conchoidal   
Conchoidal   

Cleavage
Perfect on {011}, fair on {100}, poor on {110}   
No true cleavage   

Mohs Hardness
3.5-4   
9   

Chemical Composition
Cu 3(OH) 2(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   
Al 2 O 3   

Optical Properties >>
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Azurite and Ruby Chemical Formula

While comparing Azurite and Ruby 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 Ruby chemical formula.

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Azurite and Ruby Specific Gravity

Another important criteria for qualitative analysis of gemstones is Azurite and Ruby Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Azurite and Ruby Optical Properties during the identification of gemstone. Specific gravity of Azurite is 3.97-4.05 whereas that of Ruby is 3.97-4.05.

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