Calcite and Opal Physical Properties

Calcite and Opal Chemical Formula

While comparing Calcite 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 Calcite and Opal chemical formula.

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Calcite and Opal Specific Gravity

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