Ivory and Opal Physical Properties

Ivory and Opal Chemical Formula

While comparing Ivory 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 Ivory and Opal chemical formula.

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• Chemical formula of Opal- SiO₂ · nH₂O

Ivory and Opal Specific Gravity

Another important criteria for qualitative analysis of gemstones is Ivory and Opal Specific gravity. Specific gravity is the relative density of a gemstone compared with respect to density of water. Gemologists use Ivory and Opal Optical Properties during the identification of gemstone. Specific gravity of Ivory is 1.98-2.25 whereas that of Opal is 1.98-2.25.