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Opal
Opal

Sardonyx
Sardonyx



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Opal
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Sardonyx

Opal and Sardonyx Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
BrittleWalter Schumann
hot salt water
-
1.98-2.25
Conchoidal
None
5-6.5
SiO2 · nH2O
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Opal and Sardonyx Chemical Formula

While comparing Opal 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 Opal and Sardonyx chemical formula.

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Opal and Sardonyx Specific Gravity

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