Tourmaline and Opal Physical Properties

Tourmaline and Opal Chemical Formula

While comparing Tourmaline 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 Tourmaline and Opal chemical formula.

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Tourmaline and Opal Specific Gravity

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