Opal and Coral Physical Properties

Opal and Coral Chemical Formula

While comparing Opal and Coral 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 Coral chemical formula.

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Opal and Coral Specific Gravity

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