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Chlorastrolite and Sardonyx Physical Properties


Sardonyx and Chlorastrolite Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.1-3.5   
2.55-2.70   

Fracture
Granular   
Not Available   

Cleavage
Not Available   
Not Available   

Mohs Hardness
5-6   
6.5-7   

Chemical Composition
Ca 2(Mg,Fe)Al 2(SiO 4)(Si 2O 7)(OH) 2 · H 2O)Arthur Thomas , Gemstones (2009)   
SiO 2Ulrich Henn and Claudio C.   

Optical Properties >>
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Chlorastrolite and Sardonyx Chemical Formula

While comparing Chlorastrolite 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 Chlorastrolite and Sardonyx chemical formula.

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Chlorastrolite and Sardonyx Specific Gravity

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

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