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Sardonyx
Sardonyx

Sellaite
Sellaite



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Sardonyx
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Sellaite

Sardonyx and Sellaite Physical Properties

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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.
 
Brittle
-
-
3.14-3.16
Conchoidal
Perfect on {010} and {110}
5-5.5
MgF 2Ulrich Henn and Claudio C.

Sardonyx and Sellaite Chemical Formula

While comparing Sardonyx and Sellaite 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 Sellaite chemical formula.

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Sardonyx and Sellaite Specific Gravity

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