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Sardonyx
Sardonyx

Star Sapphire
Star Sapphire



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Sardonyx
X
Star Sapphire

Sardonyx and Star Sapphire Physical Properties

Physical Properties

Tenacity

Solubility

Durability

Specific Gravity

Fracture

Cleavage

Mohs Hardness

Chemical Composition

 
-
-
-
2.55-2.70
-
None
6.5-7
SiO 2Ulrich Henn and Claudio C.
 
-
-
-
3.90-4.05
-
None
-9999
Al 2O 3Ulrich Henn and Claudio C.

Sardonyx and Star Sapphire Chemical Formula

While comparing Sardonyx and Star Sapphire 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 Star Sapphire chemical formula.

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Sardonyx and Star Sapphire Specific Gravity

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