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Sardonyx and Precious Opal Physical Properties


Precious Opal and Sardonyx Physical Properties


Physical Properties

Tenacity
Not Available   
Not Available   

Solubility
Not Available   
Not Available   

Durability
Not Available   
Not Available   

Specific Gravity
2.55-2.70   
1.98-2.25   

Fracture
Not Available   
Conchoidal, Conchoidal, Gemstones of the world (2001) More from other references   

Cleavage
Not Available   
Not Available   

Mohs Hardness
6.5-7   
5-6.5   

Chemical Composition
SiO 2Ulrich Henn and Claudio C.   
SiO 2 · nH 2OGemdat.org , Management Team (2012)   

Optical Properties >>
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Sardonyx and Precious Opal Chemical Formula

While comparing Sardonyx and Precious Opal 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 Precious Opal chemical formula.

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Sardonyx and Precious Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Sardonyx and Precious Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Sardonyx and Precious Opal Optical Properties during the identification of gemstone. Specific gravity of Sardonyx is 1.98-2.25 whereas that of Precious Opal is 1.98-2.25.

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