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Sardonyx and Amethyst Physical Properties


Amethyst and Sardonyx Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
insoluble in common solvents   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.70   
2.65   

Fracture
Not Available   
Conchoidal, ConchoidalWalter Schumann, Gemstones of the world (2001)   

Cleavage
Not Available   
Indiscernible   

Mohs Hardness
6.5-7   
7   

Chemical Composition
SiO 2Ulrich Henn and Claudio C.   
SiO2   

Optical Properties >>
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Sardonyx and Amethyst Chemical Formula

While comparing Sardonyx and Amethyst 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 Sardonyx and Amethyst chemical formula.

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Sardonyx and Amethyst Specific Gravity

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

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