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Sapphire
Sapphire

Sardonyx
Sardonyx



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Sapphire
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Sardonyx

Sapphire and Sardonyx Physical Properties

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Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
insoluble
-
3.95-4.03
Uneven
None, but may exhibit parting
9
Al 2 O 3
 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.

Sapphire and Sardonyx Chemical Formula

While comparing Sapphire 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 Sapphire and Sardonyx chemical formula.

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Sapphire and Sardonyx Specific Gravity

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