Ammolite and Opal Physical Properties

Ammolite and Opal Chemical Formula

While comparing Ammolite 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 Ammolite and Opal chemical formula.

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• Chemical formula of Opal- SiO₂ · nH₂O

Ammolite and Opal Specific Gravity

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