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Afghanite and Sardonyx Physical Properties


Sardonyx and Afghanite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.65   
2.55-2.70   

Fracture
Conchoidal, ConchoidalArthur Thomas, Gemstones (2009), Conchoidal, Brittle, Conchoidal, Brittle   
Not Available   

Cleavage
Perfect {10 1 0}   
Not Available   

Mohs Hardness
5.5-6   
6.5-7   

Chemical Composition
(Na,Ca,K) 8(Si,Al) 12O 24(SO 4,Cl,CO 3) 3(H 2O)Arthur Thomas , Gemstones (2009)   
SiO 2Ulrich Henn and Claudio C.   

Optical Properties >>
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Afghanite and Sardonyx Chemical Formula

While comparing Afghanite and Sardonyx 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 Sardonyx chemical formula.

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Afghanite and Sardonyx Specific Gravity

Another important criteria for qualitative analysis of gemstones is Afghanite and Sardonyx Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Afghanite and Sardonyx Optical Properties during the identification of gemstone. Specific gravity of Afghanite is 2.55-2.70 whereas that of Sardonyx is 2.55-2.70.

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