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Afghanite and Azurite Physical Properties


Azurite and Afghanite Physical Properties


Physical Properties

Tenacity
Not Available   
Brittle   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.65   
3.70-3.90   

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

Cleavage
Perfect {10 1 0}   
Perfect on {011}, fair on {100}, poor on {110}   

Mohs Hardness
5.5-6   
3.5-4   

Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)   
Cu 3(OH) 2(CO 3) 2Michael O’Donoghue , Gems, Sixth Edition (2006) More from other references   

Optical Properties >>
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Afghanite and Azurite Chemical Formula

While comparing Afghanite 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 Afghanite and Azurite chemical formula.

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Afghanite and Azurite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Azurite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Azurite Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 3.70-3.90 whereas that of Azurite is 3.70-3.90.

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