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Sard and Chalcedony Physical Properties


Chalcedony and Sard Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Soluble   

Durability
Not Available   
Not Available   

Specific Gravity
2.58-2.63   
2.55-2.70   

Fracture
ConchoidalArthur Thomas, Gemstones (2009), ConchoidalArthur Thomas, Gemstones (2009)   
Uneven, Splintery, Conchoidal, Uneven, Splintery, Conchoidal, UnevenWalter Schumann   

Cleavage
Not Available   
Absent   

Mohs Hardness
6.5-7   
6.5-7   

Chemical Composition
SiO 2Ulrich Henn and Claudio C.   
SiO2   

Optical Properties >>
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Sard and Chalcedony Chemical Formula

While comparing Sard and Chalcedony 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 Sard and Chalcedony chemical formula.

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Sard and Chalcedony Specific Gravity

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

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