Sapphire and Onyx Physical Properties

Sapphire and Onyx Chemical Formula

While comparing Sapphire and Onyx 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 Onyx chemical formula.

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Sapphire and Onyx Specific Gravity

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