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Ruby and Sardonyx Physical Properties


Sardonyx and Ruby Physical Properties


Physical Properties

Tenacity
Brittle   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
3.97-4.05   
2.55-2.70   

Fracture
Conchoidal   
Not Available   

Cleavage
No true cleavage   
Not Available   

Mohs Hardness
9   
6.5-7   

Chemical Composition
Al 2 O 3   
SiO 2Ulrich Henn and Claudio C.   

Optical Properties >>
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Ruby and Sardonyx Chemical Formula

While comparing Ruby 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 Ruby and Sardonyx chemical formula.

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Ruby and Sardonyx Specific Gravity

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

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