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Andesine and Afghanite Physical Properties


Afghanite and Andesine Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.65-2.69   
2.55-2.65   

Fracture
Uneven, Uneven, Conchoidal, Uneven, Gems, Sixth Edition (2006)   
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle   

Cleavage
Perfect on {001}, good on {010}   
Perfect {10 1 0}   

Mohs Hardness
6-6.5   
5.5-6   

Chemical Composition
(Na,Ca)Al1-2Si3-2O8   
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)   

Optical Properties >>
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Andesine and Afghanite Chemical Formula

While comparing Andesine and Afghanite 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 Andesine and Afghanite chemical formula.

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Andesine and Afghanite Specific Gravity

Another important criteria for qualitative analysis of gemstones is Andesine and Afghanite Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Andesine and Afghanite Optical Properties during the identification of gemstone. Specific gravity of Andesine is 2.55-2.65 whereas that of Afghanite is 2.55-2.65.

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