Iolite and Opal Physical Properties

Iolite and Opal Chemical Formula

While comparing Iolite and Opal 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 Iolite and Opal chemical formula.

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Iolite and Opal Specific Gravity

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