Opal and Selenite Physical Properties

Opal and Selenite Chemical Formula

While comparing Opal and Selenite 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 Selenite chemical formula.

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Opal and Selenite Specific Gravity

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